A circle has a circumference of 16π cm.what is its area?
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A circle has a circumference of 16π cm.what is its area?
![A circle has a circumference of 16π cm.what is its area?](/uploads/image/z/1775034-18-4.jpg?t=A+circle+has+a+circumference+of+16%CF%80+cm.what+is+its+area%3F)
圆的周长为16π 厘米,其面积是多少?
解得半径为8cm,所以面积为64π cm^3
解得半径为8cm,所以面积为64π cm^3
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