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What is the 周长 of a circular swimming pool with a diameter of 6 ½ feet

解答

What is the circumference of a circular swimming pool with a diameter of 6 ½ feet

解答

c i rc u m f ere n ce : 6 π f t

+1

十进制表示法

18.84955 \dots

求解步骤

Given:

d iam e t er : 6 f t

给定

d = 6

的圆周长:

C = 6 π

c i rc u m f ere n ce : 6 π f t

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