Question

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

Explanation:

Step1: Find the hypotenuse c using Pythagorean theorem

$c=\sqrt{4.6^{2}+1.1^{2}}=\sqrt{21.16 + 1.21}=\sqrt{22.37}\approx4.7$

Step2: Calculate the perimeter P

$P=4.6 + 1.1+4.7 = 10.4$

Answer:

$10.4$