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受欢迎的 Word Problems >

the radius of a circle is 4m. Find its 周长 in term of pi

解答

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

解答

c i rc u m f ere n ce : 8 π m

+1

十进制

25.13274 \dots

求解步骤

Given:

r a d i u s : 4 m

给定

r = 4

的圆周长:

C = 8 π

c i rc u m f ere n ce : 8 π m

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