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受欢迎的 Word Problems >

Suppose the diameter of a circle is 8 units. What is its 周长?Use 3.14 for pi and enter your answer as a decimal.

解答

S u pp ose t h e d iam e t er o f a c i rc l e i s 8 u ni t s . Wha t i s i t s c i rc u m f ere n ce ? U se 3.14 f or π an d e n t er yo u r an s w er a s a d ec ima l .

解答

c i rc u m f ere n ce : 8 π

+1

十进制

25.13274 \dots

求解步骤

Given:

d iam e t er : 8

给定

d = 8

的圆周长:

C = 8 π

c i rc u m f ere n ce : 8 π

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