A rectangular plot measures 20 ft. by 30 ft. A 3-ft.-wide sidewalk surrounds it. Find the area of the sidewalk.

Question

Gunner Chang

Mathematics

21 May, 20:22

A rectangular plot measures 20 ft. by 30 ft. A 3-ft.-wide sidewalk surrounds it. Find the area of the sidewalk.

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Answers (1)

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Ann Villarreal · Answer 1

Well, first you would have to 3ft to both 20 and 30 the multiply them to get 759.

Next multiply 20 by 30 to get 600

finnaly you subtract 759 by 600 to get 159 which is the area of the sidewalk