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受欢迎的 Word Problems >

The 直径 of a circle is 2 inches. If pi = 3.14, what is the area of the circle

解答

T h e d iam e t er o f a c i rc l e i s 2 in c h es . I f π = 3.14, w ha t i s t h e a re a o f t h e c i rc l e

解答

a re a : π in c h^{2}

+1

十进制

3.14159 \dots

求解步骤

Given:

d iam e t er : 2 in c h

给定

d = 2

的圆面积:

A = π

a re a : π in c h^{2}

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