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Question

A pentagon has three sides with length x, and two sides with the length 3x. If x is 23 of an inch, what is the perimeter of the pentagon ?

A
6 inches
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B
7 inches
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C
9 inches
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D
12 inches
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Solution

The correct option is A 6 inches
6 inches: The perimeter of a pentagon is the sum of its five sides: x+x+x+3x+3x=9x. If x is 23 of an inch, the perimeter is 9(23) , or 6 inches.(option A)

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