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Interactive
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\n\"Right\n\n
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\nCK-12 Foundation\n
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\nRight Triangles, Bearings, and Other Applications: Sailing Race\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nHelp your class get their bearings when it comes to right triangles. Pupils determine distances traveled or components given the bearing of a sailboat using an interactive. The scholars develop a sense of finding the bearings of a given...\n
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Interactive
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\n\"Distance\n\n
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\nCK-12 Foundation\n
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\nDistance Formula: Right Triangles\n

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\n\nFor Students\n\n8th - 10th\n\nStandards\n
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\nGo the distance with a far out resource. Individuals use an interactive to create right triangles on a coordinate plane to help find distance between two points. Challenge questions aid them in developing the distance formula.\n
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Instructional Video
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\n\"SAT\n\n
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\nKhan Academy\n
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\nSAT Prep: Test 1 Section 9 Part 3\n

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\n\nFor Students\n\n9th - 12th\n
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\nIf it takes a long time to complete the problems on the math SAT, it doesn't matter if they are correct - the problems that are left over will count against the student's score. Sal takes care to show quicker ways to complete problems...\n
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Lesson Plan
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\n\"Prove\n\n
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\nEngageNY\n
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\nProve the Pythagorean Theorem Using Similarity\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nAmaze your classes with the ability to find side lengths of triangles immediately — they'll all want to know your trick! Learners use the Pythagorean Theorem and special right triangle relationships to find missing side lengths.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video3:54
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\n\"What\n\n
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\nCurated OER\n
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\nWhat is the Pythagorean Theorem?\n

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\n\nFor Teachers\n\n6th - 11th\n
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\nNeed to find the length of a side of a right triangle? Just use the Pythagorean Theorem! Follow along as the tutor defines the Theorem, explains how it works, then uses it to determine the missing length of a right triangle. \n
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Worksheet
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\n\"Area\n\n
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\nCurated OER\n
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\nArea of Right Triangles\n

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\n\nFor Students\n\n8th - 10th\n
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\nIn this are of right triangles learning exercise, students read graphs and explore congruent triangles.  They find the area of rectangles and of right triangles.  This one-page learning exercise contains explanations,...\n
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\n\"Trigonometric\n\n
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\nCurated OER\n
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\nTrigonometric Functions of Acute Right Triangles\n

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\n\nFor Teachers\n\n9th - 11th\n
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\nStudents derive the six trigonometric functions. In this trigonometry lesson, students show their understanding of trigonometric functions as they relate the right triangles. They find the missing angles and side use trig ratios of sine,...\n
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\n\"Right\n\n
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\nCurated OER\n
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\nRight Triangles\n

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\n\nFor Students\n\n10th\n
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\nIn this right triangles worksheet, 10th graders solve and complete 12 various types of problems. First, they solve for x given each of the right triangles shown. Then, students determine the length of the shorter diagonal given the...\n
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Worksheet
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\n\"Right\n\n
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\nCurated OER\n
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\nRight Triangles\n

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\n\nFor Students\n\n10th\n
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\nIn this right triangles activity, 10th graders solve 10 different problems that include various right triangles. First, they find the value of a base given its hypotenuse. Then, students determine an angle given the perimeter and length....\n
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\n\"Special\n\n
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\nCurated OER\n
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\nSpecial Right Triangles\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this special right triangles worksheet, students solve 15 short answer problems. Students use trigonometric functions to find missing side lengths of various right triangles.\n
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Worksheet
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\n\"Right\n\n
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\nCurated OER\n
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\nRight Triangles\n

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\n\nFor Students\n\n10th\n
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\nIn this right triangles worksheet, 10th graders solve and complete 14 various types of problems. First, they find the perimeter of the isosceles trapezoid shown. Then, students find the measures of each marked side of a right triangle....\n
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\n\"Right\n\n
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\nCurated OER\n
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\nRight Triangles\n

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\n\nFor Students\n\n10th\n
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\nIn this right triangles worksheet, 10th graders solve and complete 5 different types of problems. First, they solve each of the right triangles shown and express each answer correct to two decimal places. Then students find the...\n
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\n\"Special\n\n
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\nSpecial Right Triangles Homework\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this geometry worksheet, students solve both kinds of special right triangles. There are 12 questions with multiple parts.\n
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Instructional Video13:03
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\n\"Pythagorean\n\n
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\nKhan Academy\n
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\nPythagorean Theorem, Right Triangles and Trigonometry, Geometry\n

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\n\nFor Students\n\n7th - 11th\n
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\nIn this video, Sal introduces the Pythagorean Theorem to viewers, crossing into the realm of geometry. He uses several examples, including right triangles, to illustrate the applications and uses of the Pythagorean Theorem.\n
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Lesson Plan
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\n\"Basic\n\n
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\nCurated OER\n
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\nBasic Right Triangles\n

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\n\nFor Teachers\n\n2nd - 4th\n
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\nElementary schoolers examine the attributes of triangles. In this triangle lesson, learners compare regular triangles and right triangles. They explore vertices and angles and investigate obtuse and acute angles. Pupils draw multiple...\n
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\n\"Isosceles\n\n
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\nCurated OER\n
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\nIsosceles Right Triangle\n

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\n\nFor Students\n\n10th\n
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\nIn this isosceles right triangle worksheet, 10th graders solve and complete 5 different constructions of composition and decomposition. First, they make 4 congruent isosceles triangles with the model on the left. Then, students create...\n
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Worksheet
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\n\"Right\n\n
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\nCurated OER\n
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\nRight Triangles\n

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\n\nFor Students\n\n10th\n
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\nIn this right triangles worksheet, 10th graders solve and complete 5 various types of problems. First, they solve each of the triangles shown and find the area of each triangle. Then, students find the perimeter and area of the regular...\n
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Worksheet
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\n\"Right\n\n
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\nRight Triangles\n

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\n\nFor Students\n\n10th\n
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\nIn this right triangles worksheet, 10th graders solve and complete 13 different problems. First, they find the lengths of both missing sides. Then, students find the altitude of an equilateral triangle given the measure of one side. They...\n
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Worksheet
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\n\"Easy\n\n
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\nEasy Worksheet: Right Triangles and Circles\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this right triangles and circles worksheet, students solve 4 short answer problems. Students describe a right triangle formed by point on a circle and an angle measure.\n
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Worksheet
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\n\"Solving\n\n
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\nKim Brassard\n
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\nSolving Right Triangles\n

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\n\nFor Students\n\n7th - 10th\n
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\nSolve that triangle! Your class examines angles and side measurements on 20 right triangles to determine the missing measurements. For some, they are given two sides while for others, they are given an angle and a side.\n
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Lesson Plan
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\n\"Been\n\n
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\nMathalicious\n
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\nBeen Caught Stealing\n

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\n\nFor Teachers\n\n6th - 8th\n\nStandards\n
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\nYou're safe, when calculating the odds of stealing second base! Learners compare the rate of a runner to the distance the ball travels, in a lesson plan that explores right triangles and measurement. Full of discussion questions and...\n
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Instructional Video9:36
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\n\"Pythagorean\n\n
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\nPythagorean Theorem II, Right Triangles and Trigonometry, Geometry\n

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\n\nFor Students\n\n9th - 10th\n
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\nThis lecture, the second in a series on the Pythagorean Theorem, delves into more complex problems. Primarily, it examines the process of finding the value of a hypotenuse. It is beneficial because the example problem is one in which the...\n
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Lesson Plan
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\n\"Principles\n\n
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\nCurated OER\n
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\nPrinciples of Square Roots Lesson Plan\n

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\n\nFor Teachers\n\n8th - 11th\n
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\nMiddle and high schoolers investigate all the different places in math that square root is present. In this geometry lesson plan, pupils discuss square roots as it relates to a right triangle and construction. They go over altitude,...\n
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Lesson Plan
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\n\"Learning\n\n
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\nCurated OER\n
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\nLearning Unit: The Pythagorean Theorem\n

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\n\nFor Teachers\n\n8th - 10th\n
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\nMiddle and high schoolers research the life of Pythagoras and the Pythagorean theorem. They write a short biography of Pythagoras and learn to apply the theorem in their study of right triangles.\n
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