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受欢迎的 Word Problems >

A circle has an area of approximately 615 square millimeters. What is the 直径 of the circle to the nearest millimeter?

解答

A c i rc l e ha s an a re a o f a pp ro x ima t e l y 615 s q u a re mi ll im e t ers . Wha t i s t h e d iam e t er o f t h e c i rc l e t o t h e n e a res t mi ll im e t er ?

解答

d iam e t er : 2 \frac{615}{π} mm

+1

十进制

27.98289 \dots

求解步骤

Given:

a re a : 615 m m^{2}

给定

A re a = 615

的圆半径:

r = \frac{615}{π}

给定

r = \frac{615}{π}

的圆直径:

d = 2 \frac{615}{π}

d iam e t er : 2 \frac{615}{π} mm

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