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受欢迎的 Word Problems >

What is the approximate 周长 of a circle with a radius of 3 cm

解答

Wha t i s t h e a pp ro x ima t e c i rc u m f ere n ce o f a c i rc l e w i t h a r a d i u s o f 3 c m

解答

c i rc u m f ere n ce : 6 π c m

+1

十进制

18.84955 \dots

求解步骤

Given:

r a d i u s : 3 c m

给定

r = 3

的圆周长:

C = 6 π

c i rc u m f ere n ce : 6 π c m

流行的例子

A number is greater than-7 angel is 2 years older than gavin. In 6 years, Gavin age will be twice Angel age now. How old are they 6 years from now the sum of a number x and 19.Huilan is 6 years older than Thomas. The sum of their ages is 106. What is Thomas's age?56.25% of what number is 168.75?