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Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer. 

The perimeter of a 7-sided figure is 15. If the length of each side of the figure is increased by 2 units, what is the perimeter of the new figure?

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Explanation

The perimeter is the sum of the lengths of all the sides. Since each of the seven sides is to be increased by 2, there will be a total increase of 14 in the perimeter. The original perimeter, 15, plus the increase, 14, gives the new perimeter, 29.

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