# math

A rectangle measuring 7cm by 4cm is enlarged by a ratio of 2:1.what is the area of the enlarged rectangle.

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1. the new area is (7*2)(4*2)

Note that the area grows by the square of the magnification ratio

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2. 7*2/1 =14 cm

4*2/1= 8cm

.: the area of enlarged rectangle =14*8 =112cm^2

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3. 7cmÃ—2

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4. poop

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