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受欢迎的 Word Problems >

The 直径 of a circle is 4 m. Find its area to the nearest tenth.

解答

T h e d iam e t er o f a c i rc l e i s 4 m . F in d i t s a re a t o t h e n e a res t t e n t h .

解答

a re a : 4 π m^{2}

+1

十进制

12.56637 \dots

求解步骤

Given:

d iam e t er : 4 m

给定

d = 4

的圆面积:

A = 4 π

a re a : 4 π m^{2}

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