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8th Grade Pythagorean Theorem Worksheets

Ages 13-14 · 2 sub-topics · Free previews · Print-ready PDFs

The Pythagorean theorem says that in a right triangle the squares of the two legs add up to the square of the hypotenuse, a² + b² = c². There are 17 worksheets for 8th grade here, and 16 have answer keys. Pythagorean Theorem, Find a Missing Leg builds the core skill, Prove the Pythagorean Theorem With Square Areas shows why it works, and Distance Between Two Points, Exact Answers carries it onto the coordinate plane. The pages practice 8.G.B.6, 8.G.B.7 and 8.G.B.8.

Written by Adi Ackerman, Head Teacher

Pythagorean Theorem▼

Frequently Asked Questions

In any right triangle, the square of the longest side, the hypotenuse, equals the sum of the squares of the two legs. If the legs are 6 ft and 8 ft, then 36 + 64 = 100, so the hypotenuse is 10 ft. The Pythagorean Theorem Reference Sheet walks through this example.

More math worksheets

Explore all of our 8th grade math worksheets, covering number theory, exponents, scientific notation, square and cube roots, and more.

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