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受欢迎的 Word Problems >

The diameter of a circle is 12 kilometers. What is the circle's 周长?

解答

T h e d iam e t er o f a c i rc l e i s 12 ki l o m e t ers . 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 : 12 π km

+1

十进制

37.69911 \dots

求解步骤

Given:

d iam e t er : 12 km

给定

d = 12

的圆周长:

C = 12 π

c i rc u m f ere n ce : 12 π km

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