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受欢迎的 Word Problems >

The 直径 of a circle is 6 ft. Find its area in terms of pipi.

解答

T h e d iam e t er o f a c i rc l e i s 6 f t . F in d i t s a re a in t er m s o f p iπ .

解答

a re a : 9 π f t^{2}

+1

十进制

28.27433 \dots

求解步骤

Given:

d iam e t er : 6 f t

给定

d = 6

的圆面积:

A = 9 π

a re a : 9 π f t^{2}

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