Question

PLEASE HELP A rectangular region is removed from another rectangular region to create the shaded region shown below. Find the area of the shaded region.

Answer 1

Answer:  shaded region has area 107 square feet

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Work Shown:

A = area of larger rectangle

A = length*width = 9*15 = 135 square feet

B = area of smaller rectangle

B = length*width = 7*4 = 28 square feet

C = area of shaded region

C = difference in areas of A and B

C = A - B = 135 - 28 = 107 square feet