{"results":"
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Instructional Video
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Triangles: Circumcenter of a Right Triangle\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nThe video tutorial shows that the midpoint of the hypotenuse is the circumcenter.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Virtual\n\n
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\nVirtual Nerd\n
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\nVirtual Nerd: What Are Acute, Obtuse, and Right Triangles?\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nTake a look at this tutorial and learn about some of the different kinds of triangles. [4:25]\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Texas\n\n
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\nTexas Instruments\n
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\nTexas Instruments: Sin, Cos, and Tan of Right Triangles\n

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\n\nFor Teachers\n\n9th - 10th\n\nStandards\n
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\nIn this activity, students explore a right angled triangle and its trigonometric concepts. They investigate the trigonometric ratios for the angles of the triangle.\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Texas\n\n
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\nTexas Instruments\n
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\nTexas Instruments: Right Triangle Trig\n

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\n\nFor Teachers\n\n9th - 10th\n\nStandards\n
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\nThis is a way to use the TI-Navigator to check for an understanding of sin, cos, and tan before you move onto word problems.\n
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\n\nGet Free Access\n\nSee Review\n
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Unit Plan
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\n\"Algebra\n\n
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\nOther\n
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\nAlgebra Lab: Word Lesson: Vectors Right Triangles Components and Resultants\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nSolve problems using vectors that involve velocity, speed, direction, and magnitude. Includes examples and practice problems. Click on the buttons under the practice questions to see the solutions.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Math\n\n
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\nMath Mammoth\n
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\nMath Mammoth: Acute, Obtuse, and Right Triangles\n

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\n\nFor Students\n\n3rd - 4th\n\nStandards\n
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\nThis lesson goes over the types of triangles. [7:02]\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Varsity\n\n
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\nVarsity Tutors \n
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\nVarsity Tutors: Hotmath: Graphing Calculator Practice: Right Triangles and Trigonometry\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nPractice using your graphing calculator for solving right triangle trigonometry and non-right triangle trigonometry. If you get stumped or if you would like to check your work, then select the View Solution button, which is located...\n
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\n\nGet Free Access\n\nSee Review\n
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Graphic
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\n\"Zona\n\n
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\nCurated OER\n
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\nZona Land: Trigonometry, Right Triangles\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nThis site provides information on sine, cosine, and tangent. Lengths of the sides are discussed and many diagrams/tables are shown.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Right Triangle Word Problem\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nSal solves a modeling problem where he finds the necessary angle to shoot at a vicious alien.\n
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\n\nGet Free Access\n\nSee Review\n
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Unit Plan
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\n\"Cuemath:\n\n
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\nCuemath\n
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\nCuemath: Right Angled Triangle\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nExplore and learn about the features and properties of a right triangle in this lesson. Includes examples and practice questions.\n
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\n\nGet Free Access\n\nSee Review\n
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eBook
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\n\"Mathigon:\n\n
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\nMathigon\n
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\nMathigon: Geometry: Triangles and Trigonometry: Properties of Triangles\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nThis lesson focuses on the properties of triangles, a closed shape that has three sides, three vertices, and and three internal angles. There are different types of triangles such as a right triangle, obtuse, and acute based on the...\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Maths\n\n
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\nMaths Challenge\n
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\nMaths challenge.net: Leaning Ladders\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nUse your right triangle solving skills to solve this ladders in a hole problem.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Trigonometry: Using Trig Functions Part Ii\n

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\n\nFor Students\n\n9th - 10th\n
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\nContinuation of video lesson using the basic trigonometric functions to determine unknown side lengths of a right triangle. Example shows using trigonometry as well as the Pythagorean Theorem to find the length of the third side of the...\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Maths\n\n
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\nMaths Challenge\n
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\nMaths challenge.net: Right Angle Reasoning\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nA geometry problem for students to use their mathematical reasoning skills to explain a right triangle property.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Trigonometry: Using Trig Functions\n

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\n\nFor Students\n\n9th - 10th\n
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\nVideo using the basic trigonometric functions to find the length of a side in a right triangle. Examples are given with angle measures in radians. Includes link to additional practice problems. [10:03]\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Algebra: Pythagorean Theorem\n

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\n\nFor Students\n\n9th - 10th\n
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\nThis video tutorial [13:03] explains that the Pythagorean theorem can only be used on right triangles and explains how it is used. Gives several examples using the Pythagorean theorem to find the unknown side of a right triangle....\n
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\n\nGet Free Access\n\nSee Review\n
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