The Pythagorean Theorem

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Objective

I can use the Pythagorean theorem (a² + b² = c²) to find the missing side length of a right triangle.

Part 1 of 3

Warm-up video

Professor Dave Explains · 5:02Vetted channel

We don't generate video — this one is by Professor Dave Explains on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

6 questions

1

Define the terms "legs" and "hypotenuse" in relation to a right triangle.

2

State the Pythagorean theorem as an equation and explain what each variable represents.

Part 3 of 3

Exit ticket

Quick comprehension check

A right triangle has legs of length 6 cm and 8 cm. What is the length of the hypotenuse? Show your work. A right triangle has a leg of length 12 inches and a hypotenuse of length 15 inches. What is the length of the other leg? Show your work. A right triangle has a leg of length 9 meters and a hypotenuse of length 41 meters. What is the length of the other leg? Show your work.

Sample answer included in the free materials

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Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

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