In the figure below, ZAX is equilateral and has perimeter 30. What is the perimeter of triangle LAZ?
XA = ZA =XZ = 10
So right triangle LAZ has two sides given: 10 (hypotenuse) and 1/2(10) = 5 (one leg)
use pythag theorem to compute the second leg (AL) ....then add all three sides together .....