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in the measure of each side of a square is doubled, its area increases how many times?
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4 times. you square the amount you changed the dimensions. for example, doubling each side: 2^2 = 4. so the area is 4 times the original also, tripling each side: 3^2 = 9. so the area would be 9 times the original
Let's look at the equation of a square: \[area = side^2\] If we double a side, then we get: \[area = 2side^2\] 2^2 is equal to 4, so the area will increase by a factor of 4. Think about the picture of what will happen as well: |dw:1347766214414:dw|
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