Finding a Missing Side Using Pythagorean Theorem

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Objective

I can find the missing side length of a right triangle using the Pythagorean Theorem.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel 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

2 questions

1

A right triangle has legs of length 8 cm and 15 cm. What is the length of the hypotenuse?

2

A 25-foot ladder is leaning against a wall. The base of the ladder is 7 feet away from the wall. How high up the wall does the ladder reach?

Part 3 of 3

Exit ticket

Quick comprehension check

A right triangle has a leg of length 6 cm and a hypotenuse of length 10 cm. What is the length of the other leg? Show your work. A right triangle has a leg of length 5 inches and another leg of length 12 inches. What is the length of the hypotenuse? Show your work. A right triangle has a hypotenuse of length 17 meters and a leg of length 8 meters. What is the length of the other leg? Show your work.

Sample answer included in the free materials

Get the materials

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

  • Teacher Guide

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