Question

Use the Pythagorean theorem to find x and round to the nearest tenth.

A. 3.61
B. 3.6
C. 9.22
D. 9.2

Answer 1

x = √85

Explanation:

According to the Pythagorean Theorem,

6² + 7² = x², or:

36 + 49 = x², or:

85 = x²

Then x = √85

Answer 2

9.22

Explanation:

Using Pythagoras' theorem

hyp² = side ² + side²

hyp² = 7² + 6²

hyp² = 49 + 36

hyp² = 85

hyp = sqrt of 85

hyp = 9.22