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The diameter of a small Pizza of 103 square inches is approximately 11.45 inches.

If you double the diameter to 22.9 inches, the large pizza would be approx 412 square inches. In other words, if you double the dimensions, you quadruple the area.

So, instead of dividing d by 2 to get r and then dealing with pi and squares and all that, all you really needed to do was multiply 103 times 4.

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16y ago

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