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Grade 8 · G

Apply the Pythagorean Theorem

For a right triangle with legs a and b and hypotenuse c, a² + b² = c².

Grade 8Common Core 8.G.B.7GVerified correct ✓

Worked examples

A right triangle has legs of length 6 and 8. Find the length of the hypotenuse. Round to 2 decimal places if needed.
Answer: 10
A right triangle has a hypotenuse of 20 and one leg of length 12. Find the length of the other leg. Round to 2 decimal places if needed.
Answer: 16

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