We found 158 resources with the keyterm right triangle
Study Jams! Area of a TriangleLesson Planet
4th - 6th CCSS: Adaptable
Even though there is a wide variety of different triangles in the world, knowing a single equation allows us to find the area of each and every one of them. Follow along with this step-by-step presentation as Zoe clearly models how to...
How Do You Determine if a Triangle Is a Right Triangle if You Know its Sides?Lesson Planet
3 mins 6th - 10th
Use the Pythagorean Theorem formula to check if this given triangle, with the given lengths of each side, is a right triangle. It's as simple as plugging the given values into the formula and doing the math to see if the solution checks...
Find the Area of a Right TriangleLesson Planet
4 mins 5th - 7th CCSS: Designed
Help your class develop a greater understanding of the area of a right triangle. The video starts by reviewing the area of a rectangle and noting that the rectangle is made up of two congruent triangles. Learners are then shown that in...
Finding Areas of Polygons, Variation 1Lesson Planet
5th - 9th CCSS: Designed
An exercise in finding the area of polygons by decomposing into triangles and composing into rectangles is the focus of this resource. Make several copies of the worksheet for each participant. Ask learners to use colored pencils to...
Same Base and Height, Variation 2Lesson Planet
5th - 7th CCSS: Designed
This is a good model for learners to visualize triangles of the same base and height. They can can begin to comprehend that these triangles will have the same area no matter how the triangle is drawn. It is part of a series of resources...
How Do You Find the Area of a Trapezoid?Lesson Planet
5 mins 6th - 12th
Trapezoids can be tricky. Break down the process of finding the area of a trapezoid with this video! Viewers are given information about the area formula and shown exactly how to plug in information, solve, and simplify. This is a...
How Was the Distance Formula Derived?Lesson Planet
5 mins 6th - 12th
Are you working on the distance formula? Derive the distance formula and help your learners by showing them the logic behind the distance formula. This practical video should help conceptual understanding and is appropriate for in-class...
Identifying a Triangle by its Sides and AnglesLesson Planet
9th - 12th CCSS: Designed
Identify triangles by their angle measures and side lengths by looking at and measuring angle measures and side lengths. Use Cabri Jr. to construct various triangles, then manipulate the construction to create the 6 types of triangles,...
7-2 Self Check Pythagorean Theorem Multiple ChoiceLesson Planet
8th - 10th
Middle and high schoolers use the Pythagorean Theorem to determine the length of the sides of a right triangle. They solve distance problems. This one-page worksheet contains 10 multiple-choice problems. This is self-checking worksheet.
Reteaching 5.4 The Pythagorean TheoremLesson Planet
8th - 12th
In this Pythagorean Theorem learning exercise, pupils use the Pythagorean Theorem to determine the length of a missing side of a right triangle. This three-page learning exercise contains examples, explanations, and 25 problems. Answers...
Triangles and Angle Sums - Homework 14.5Lesson Planet
4th - 7th
Upper elementary and middle school learners solve four problems where they are given two angle measurements in a triangle and must calculate the measurement of the third angle. They are given a diagram and find the measurement of six...
Area of Right-Angled TrianglesLesson Planet
3rd - 5th CCSS: Designed
There's a trick to solving the area of a triangle, and it involves a skill your geometers have already mastered. Help them discover the connection between finding a rectangle's area and finding a right triangle's area as they solve for...