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受欢迎的 Word Problems >

if the radius of a circle is 3cm what is 周长

解答

i f t h e r a d i u s o f a c i rc l e i s 3 c m w ha t i s c i rc u m f ere n ce

解答

c i rc u m f ere n ce : 6 π c m

+1

十进制

18.84955 \dots

求解步骤

Given:

r a d i u s : 3 c m

给定

r = 3

的圆周长:

C = 6 π

c i rc u m f ere n ce : 6 π c m

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