Question

One rectangle is "framed" within another. Find the area of the shaded region if the "frame" is 3 units wide.

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Answer 1

Answer: 84 square inches.

Explanation:

Side A of shaded: 5+3+3 = 11

Side B of shaded: 3+3+3= 9

11x9= 99

99-(3x5{normal rectangle area})= 84