What is the perimeter of the trapezoid shown?
The right triangle has a base = 19 - 13 = 6
By the Pythagorean Theorem, the height = sqrt (10^2 - 6^2) = sqrt (100 - 36) = sqrt (64) = 8
This is also the height of the rectangle on the left
So....the perimeter = 13 + 8 + 19 + 10 = 50
