Question

Compute the perimeter. (No it's not 18, not really sure how to solve this problem)

Answer 1

23.8

Explanation:

Solve for the missing side, x, by using the pythagorean theorem:

5² + 3² = x² **(8-5=3)

x² = 25+9 = 34

x = √34 = 5.831

P = sum of all sides = 5 + 5 + 8 + 5.831 = 23.8