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受欢迎的 Word Problems >

The radius of a circle is 4 ft. Find its 周长 in terms of pipi

解答

T h e r a d i u s o f a c i rc l e i s 4 f t . F in d i t s c i rc u m f ere n ce in t er m s o f p iπ

解答

c i rc u m f ere n ce : 8 π f t

+1

十进制

25.13274 \dots

求解步骤

Given:

r a d i u s : 4 f t

给定

r = 4

的圆周长:

C = 8 π

c i rc u m f ere n ce : 8 π f t

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