Area of a compound shape
We are given a compound shape that can be divided into a triangle of base Z and height H, and a rectangle of length Z and width W.
The total area of the object is:
A = At + Ar
Where At is the area of the triangle, and Ar is the area of the rectangle.
The area of the triangle is calculated as:

The area of the rectangle is

The total area is:
A = 45 + 72 =117 square inches
The area of the object is 117 square inches
ound shape