A right triangle has legs of 6 m and 8 m. How long is the hypotenuse?

Correct answer: B. 10 m

By the Pythagorean theorem, c² = 6² + 8² = 36 + 64 = 100, so c = √100 = 10 m. The 6-8-10 triangle is a multiple of the familiar 3-4-5 right triangle.

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Answer and explanation

The correct answer is B. 10 m

By the Pythagorean theorem, c² = 6² + 8² = 36 + 64 = 100, so c = √100 = 10 m. The 6-8-10 triangle is a multiple of the familiar 3-4-5 right triangle.