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A picture that measures 12 cm by 18 cm is enlarged to four times its area. What are the new dimensions of the picture?

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Just find the area of the picture and then multiply it by 4, since its being enlarged. Basically, it would by 12*18*4. 12*18 = 216, and 216*4 = 864 cm. The dimensions would be 24x36.

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864 cubic centimeters
so the dimensions would be 48 x 72?

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Thats wrong because 49 * 72 isnt equal to
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864
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