We found 88 resources with the keyterm right triangles
The Pythagorean TheoremLesson Planet
7th - 9th CCSS: Designed
What special relationship exists among the sides of a right triangle? Explore this relationship using a computer applet, cut-and-paste activity, and video tutorial to develop the Pythagorean Theorem and its significance to right triangles.
Finding the Area of an Equilateral TriangleLesson Planet
9th - 11th CCSS: Designed
The problem seems simple: find the area of the equilateral triangle whose sides are each length 1. In fact, this same problem is solved in 8th grade, addressing a different Common Core standard, using the formula for area of a triangle...
How Do You Find the Lateral and Surface Areas of a Cone if You Don't Know the Slant Height?Lesson Planet
7 mins 9th - 11th
Did you know you can use the Pythagorean theorem to find the slant height of a cone? You can! Just watch this tutorial and see how you can find the lateral and surface area of a given cone using slant height and the Pythagorean theorem.
Translations and Reflections of Triangles: Transformation DancesLesson Planet
5th - 8th
Learners explore transformations in dance. In this cross curriculum geometry and dance lesson, students define and identify angles, reflections, and translations, then practice dance movements using a stretchy band that represent these...
SAT Prep: Test 1 Section 9 Part 3Lesson Planet
10 mins 9th - 12th
If 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...
Investigating Properties of Lines in the PlaneLesson Planet
8th - 9th
Practice the properties of lines in the coordinate plane. Young mathematicians use Cabri on their graphing calculator to determine the slope ratios. They use the change in y-coordinates/change in x-coordinates. Additionally, they find...
CAHSEE Practice: Problems 38-42Lesson Planet
6 mins 9th - 10th
Sal shows your students how to thoroughly and effectively read and solve math problems on the CAHSEE (and other standardized tests) in this engaging video. From masters of geometry to students who struggle with basic math skills, these...