Question

Determine which set of side measurements could be used to form a right triangle.

A. 3, 11, 20
B. 5, 9, 17
C. 6, 7, 8
D. 6, 8, 10

Answer 1

D. 6, 8, 10

Explanation:

Apply the Pythagorean theorem equation to all set of number, and see which one works.

A.

3² + 11² ≠ 20²

9 + 121 ≠ 400

131 ≠ 400

B.

5² + 9² ≠ 17²

25 + 81 ≠ 289

106 ≠ 289

C.

6² + 7² ≠ 8²

36 + 49 ≠ 64

85 ≠ 64

D.

6² + 8² = 10²

36 + 64 = 100

100 = 100