Question

What is the perimeter? If necessary, round to the nearest tenth.

Answer 1

9.5 (9.486..)

Explanation:

You solve this quetsuon using the pythagorean theorem
a^2+b^2=c^2.
3^2 = 9 9^2 = 81
81+9 = 90
the square root of 90 is 9.48683298051, which is basically 9.5