if the radius of a circle is increased by 20%, by what percent is the area increased?

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if the radius of a circle is increased by 20%, by what percent is the area increased?

2007-05-06 13:49:33 · 3 answers · asked by !!!! 1 in Science & Mathematics ➔ Mathematics

3 answers

(1.2)^2=44%

2007-05-06 13:51:44 · answer #1 · answered by bruinfan 7 · 0⤊ 0⤋

The area of your circle's persentage will be increased 44%.
1.2 x 1.2 = 1.44 or 44 percent.

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2007-05-06 20:57:50 · answer #2 · answered by chickiepoosie 1 · 0⤊ 0⤋

1.2 x 1.2 = 1.44
44%

2007-05-06 20:53:21 · answer #3 · answered by Scott H 3 · 0⤊ 0⤋