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受欢迎的 Word Problems >

The diameter of a circle is 4 in. Find its 周长 in terms of pi.

解答

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

解答

c i rc u m f ere n ce : 4 π in

+1

十进制

12.56637 \dots

求解步骤

Given:

d iam e t er : 4 in

给定

d = 4

的圆周长:

C = 4 π

c i rc u m f ere n ce : 4 π in

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