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受欢迎的 Word Problems >

The diameter of a circle is 15 cm. Find the 周长 to the nearest tenth

解答

T h e d iam e t er o f a c i rc l e i s 15 c m . F in d t h e c i rc u m f ere n ce t o t h e n e a res t t e n t h

解答

c i rc u m f ere n ce : 15 π c m

+1

十进制

47.12388 \dots

求解步骤

Given:

d iam e t er : 15 c m

给定

d = 15

的圆周长:

C = 15 π

c i rc u m f ere n ce : 15 π c m

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