Question

Help me plsss!! What is the perimeter? If necessary, round to the nearest tenth.

Answer 1

Answer: 22.7 in

Explanation:

find "a" using the pythagorean theorem

9.4^2 - 6.9^2 = a^2

88.36 - 47.61 = a^2

40.75 = a^2

6.4 ≈ a

p = a + b + c

p = 6.4 + 6.9 + 9.4 = 22.7