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2 August, 02:01

A bulletin board is 3 ft high. the area is 15 sq ft. what is the perimeter?

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  1. 2 August, 02:19
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    First step: Find how wide the bulletin board is

    15 ft² : 3 ft = 5 ft

    Step the second: Use the perimeter formula P = 2l + 2w

    P = 2 (5) + 2 (3)

    P = 16 ft
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