# Applying the Pythagorean Theorem

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Chris S.

## Basics on the topicApplying the Pythagorean Theorem

After this lesson, you will be able to apply the Pythagorean Theorem to solve problems.

The lesson begins by teaching you that the Pythagorean Theorem states that the sum of the squares of the legs of a right triangle is equal to the square of the hypotenuse. It leads you to learn that given two sides in a right triangle, we can use the Pythagorean Theorem to solve for the unknown side. It concludes with some example problems involving simplification of square roots. Learn how to apply the Pythagorean Theorem by helping Wade track endangered blue whales with a drone!

This video includes key concepts, notation, and vocabulary such as the Pythagorean Theorem (the sum of the squares of the legs of a right triangle equals the square of the hypotenuse); square root (if the square root of ‘x’ is ‘y’, then ‘y’ squared equals ‘x’); and factoring (factoring a number is writing it as the product of other numbers).

Before watching this video, you should already be familiar with the Pythagorean Theorem, solving for any variable in the Pythagorean Theorem, and taking the square root of perfect squares, and factoring numbers. After watching this video, you will be prepared to learn to apply the Pythagorean Theorem to solve problems in geometry, algebra and trigonometry.

Common Core Standard(s) in focus: 8.G.B.7 A video intended for math students in the 8th grade Recommended for students who are 13 - 14 years old