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受欢迎的 Word Problems >

The radius of a circle is 3.8 cm. Find the 周长 to the nearest tenth.

解答

T h e r a d i u s o f a c i rc l e i s 3.8 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 : 23.88 c m

求解步骤

Given:

r a d i u s : 3.8 c m

给定

r = 3.8

的圆周长:

C = 23.87610 \dots

c i rc u m f ere n ce : 23.88 c m

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