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受欢迎的 Word Problems >

The radius of a circle is 4 inches. What is the circle's 周长?

解答

T h e r a d i u s o f a c i rc l e i s 4 in c h es . Wha t i s t h e c i rc l e^{'} s c i rc u m f ere n ce ?

解答

c i rc u m f ere n ce : 8 π in c h

+1

十进制

25.13274 \dots

求解步骤

Given:

r a d i u s : 4 in c h

给定

r = 4

的圆周长:

C = 8 π

c i rc u m f ere n ce : 8 π in c h

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