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20 September, 01:22

A rectangular certificate 8 in. by 10 in. will have a frame 1 1/2 in. wide surrounding it. what is the perimeter of the outside edge of the frame?

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  1. 20 September, 01:46
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    Answer: The correct answer is 20 inches for the perimeter.

    At the beginning the length and width are 8 in by 10 in. We are going to add 0.5 inches on each side of the length and width. That means that each of the sides will increase by 1 inch.

    Our new measurements are 9 by 11.

    Add up all for sides to find the perimeter.

    9 + 9 + 11 + 11 = 20 inches
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