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asquareiscircumscribedaboutacircle.whatistheratiooftheareaofthecircletotheareaofthesquare?a1/4b1/2c2/派d派/4
题目详情
a square is circumscribed about a circle.what is the ratio of the area of the circle to the area of the square?
a 1/4
b1/2
c2/派
d 派/4
a 1/4
b1/2
c2/派
d 派/4
▼优质解答
答案和解析
d 派/4：
The area of the circle：（D/2）^2π＝D^2/4π
The area of the circumscribed square＝D^2
The ratio :(D^2/4π):(D^2)＝π/4
The area of the circle：（D/2）^2π＝D^2/4π
The area of the circumscribed square＝D^2
The ratio :(D^2/4π):(D^2)＝π/4
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