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受欢迎的 Word Problems >

A merry go round has a circular platform with a 直径 of 2 yards. What is the platform's area?

解答

A m erry g o ro u n d ha s a c i rc u l a r pl a t f or m w i t h a d iam e t er o f 2 y a r d s . Wha t i s t h e pl a t f or m^{'} s a re a ?

解答

a re a : π y d^{2}

+1

十进制

3.14159 \dots

求解步骤

Given:

d iam e t er : 2 y d

给定

d = 2

的圆面积:

A = π

a re a : π y d^{2}

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