Sophia Learning
Sophia: Area of a Rhombus
This video lesson demonstrates two ways for calculating the area of a rhombus. Students can check their understanding with an assessment. [4:55]
Sophia Learning
Sophia: Area of a Trapezoid
This video lesson demonstrates how to solve for the area of a trapezoid. The tutorial includes detailed examples. Students can check their understanding with an assessment.
Sophia Learning
Sophia: Special Right Triangles
Special right triangles are explored in this video tutorial. The lesson provides four videos that explain the side ratios for 45-45-90 and 30-60-90 triangles along with real-world examples involving each type of triangle.
Sophia Learning
Sophia: Pythagorean Theorem Proof
Find the area of several figures to prove the Pythagorean theorem. Complete quiz to check understanding. [5:16]
Virtual Nerd
Virtual Nerd: Determine if a Triangle Is a Right Triangle if You Know Its Sides
Take a look at this tutorial and learn how to use the Pythagorean theorem to see if a triangle is a right triangle. [2:49]
Virtual Nerd
Virtual Nerd: How Do You Find the Slant Height of a Cone?
Watch this tutorial to see the process step-by-step of finding the slant height of a cone. [5:17]
Imagine Learning Classroom
Learn Zillion: Prove the Pythagorean Theorem: Using Similar Triangles
In this lesson, you will learn how to prove the Pythagorean Theorem by using similar triangles. [4:54]
Imagine Learning Classroom
Learn Zillion: Lesson Video for 'Create a Right Triangle on a Coordinate Plane'
In this lesson, you will learn how to create a right triangle on a coordinate plane by using two points that form a diagonal line segment. [4:39]
Virtual Nerd
Virtual Nerd: How Do You Find the Length of a Leg of a Right Triangle?
The Pythagorean theorem is useful in solving how to find the missing length of a side of a right triangle. Check out this tutorial to see how it's done. [4:09]
Math Antics
Math Antics: The Pythagorean Theorem
Gain a basic understanding of the Pythagorean Theorem by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [12:55]
NBC
Nbc Learn: Science of Nfl Football: Pythagorean Theorem
NBC Learn, in partnership with the National Science Foundation and the National Football League, unravel the science behind professional football in this short video on the Pythagorean Theorem.
Khan Academy
Khan Academy: Geometry: Area, Circumference, Volume
This video demonstrates an understanding of perimeter, volume, surface area, area, and Pythagorean theorem.
Khan Academy
Khan Academy: More Trig Examples: 2003 Aime Ii Problem 14
Video demonstrates solving a trigonometric problem that includes finding the area of a convex equilateral hexagon in the coordinate plane using trigonometric identities and the Pythagorean Theorem.
Khan Academy
Khan Academy: Triangles: Median Centroid Right Triangle Example
This video demonstrates how to find various measures of triangles formed by the medians of a right triangle.
Khan Academy
Khan Academy: More Trig Examples: 2003 Aime Ii Problem 11
Video demonstrates solving a trigonometric problem that includes finding the area of an oblique triangle using the Pythagorean Theorem and the law of cosines.
Khan Academy
Khan Academy: Triangles: Pythagorean Theorem 3
This video demonstrates how to solve the width of a rectangular carpet given the length and the diagonal of the rectangle by using the Pythagorean theorem.
Khan Academy
Khan Academy: Vi Hart: Origami Proof of the Pythagorean Theorem
Video demonstrating how to prove the Pythagorean theorem by folding squares of paper. [3:14]
Khan Academy
Khan Academy: Other Cool Stuff: Origami Proof of the Pythagorean Theorem
Video demonstrating how to prove the Pythagorean theorem by folding squares of paper.
Khan Academy
Khan Academy: Triangles: Pythagorean Theorem Proof Using Similarity
This video shows a proof for the Pythagorean Theorem by breaking a right triangle into two similar triangles and setting up ratios of corresponding sides.
Khan Academy
Khan Academy: Triangles: Pythagorean Theorem Ii
More Pythagorean Theorem examples. Introduction to 45-45-90 triangles.
National Science Foundation
National Science Foundation: Science of Nfl Football: The Pythagorean Theorem
Explains how the Pythagorean Theorem can be used to analyze the movements of football players when a defender tackles a ball carrier. [3:44]
Loyola University Chicago
Math Flix: Pythagorean Theorem Equation Practice
This QuickTime movie provides an excellent opportunity to apply the Pythagorean Theorem to several right triangles. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Pythagorean Theorem Puzzle
This QuickTime movie uses a tangram-like puzzle to help understand the Pythagorean Theorem. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Study Pug
Study Pug: Pythagorean Theorem
In a nutshell, Pythagorean Theorem describes the relationship between the lengths and sides of a right triangle. Watch this video for a detailed explanation along with various examples. [8:48]