Question

What is the area of this composite shape?

Answer 1

For this case what you should do is find the area of the rectangle and the are of the triangle.
 Area of the rectangle:
 A1 = (6) * (7)
 A1 = 42 in ^ 2
 Triangle area:
 A2 = (1/2) * (6-3) * (13-7)
 A2 = 9 in ^ 2
 The total area is the sum of both areas:
 A = A1 + A2
 A = 42 + 9
 A = 51 in ^ 2
 Answer
 the area of this composite shape is
 A = 51 in ^ 2