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受欢迎的 Word Problems >

The 直径 of a circle is 20 cm. Find its area in terms of pi

解答

T h e d iam e t er o f a c i rc l e i s 20 c m . F in d i t s a re a in t er m s o f p i

解答

a re a : 100 π c m^{2}

+1

十进制

314.15926 \dots

求解步骤

Given:

d iam e t er : 20 c m

给定

d = 20

的圆面积:

A = 100 π

a re a : 100 π c m^{2}

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