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Pythagorean theorem quiz

This 8th-grade quiz helps students practice applying the Pythagorean theorem by identifying correct formulas, calculating missing side lengths, and evaluating which side sets form right triangles through multiple-choice and problem-solving questions.

By Edform · Mathematics · Grade 8 · Published Oct 15, 2026 · New

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Questions

  1. Which equation correctly represents the Pythagorean theorem for a right triangle with legs a and b and hypotenuse c?
  2. A right triangle has legs of length 6 units and 8 units. What is the length of the hypotenuse?
  3. Which of the following sets of side lengths could be the sides of a right triangle? Select all that apply.
  4. A triangle with sides 9, 12, and 15 is a right triangle.
  5. If a right triangle has a hypotenuse of 13 units and one leg of 5 units, what is the length of the other leg?
  6. What is the name of the side opposite the right angle in a right triangle?
  7. Which of the following is the correct converse of the Pythagorean theorem?
  8. The Pythagorean theorem can be used to find the length of any side in any triangle.
  9. Which of the following are correct steps to solve for a missing leg in a right triangle when the hypotenuse and one leg are known? Select all that apply.
  10. Fill in the blank: The Pythagorean theorem only works for ______ triangles.

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