The Pythagorean Theorem

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Objective

I can use the Pythagorean theorem to calculate the length of the sides in a right triangle.

Part 1 of 3

Warm-up video

TED-Ed · 5:17Vetted channel

We don't generate video — this one is by TED-Ed 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 one leg measuring 5 units and the other leg measuring 12 units. Calculate the length of the hypotenuse.

2

A rectangular garden has a diagonal that measures 10 meters. If one side of the garden is 6 meters long, how long is the other side? Use the Pythagorean theorem to find your answer.

Part 3 of 3

Exit ticket

Quick comprehension check

A right triangle has one leg measuring 7 units and a hypotenuse measuring 25 units. Find the length of the missing leg. Show all work. A right triangle has one leg measuring 9 meters and a hypotenuse measuring 15 meters. Find the length of the other leg. Show all work.

Sample answer included in the free materials

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