Question

what is the perimeter? if necessary, round to the nearest tenth. miles

Explanation:

Step1: Find side length a using Pythagorean theorem

$a=\sqrt{10^{2}-8^{2}}=\sqrt{100 - 64}=\sqrt{36}=6$

Step2: Calculate the perimeter

$P=6 + 8+10=24$

Answer:

24