The surface area of a spherical ball is 2464cm².Calculate the diameter of the ball. Take /pi to be 22/7

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Dito asked Apr 16, 2022

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The surface area of a spherical ball is 2464cm².Calculate the diameter of the ball. Take /pi to be 22/7

Mathematics
college

Dito asked Apr 16, 2022

by Dito

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Answer:

Explanation:

The surface area of a spherical ball = 2464cm²

$(4)/(3)\pi r^(2)=2464\\\\(4)/(3)*(22)/(7)*r^(2)=2464\\\\r^(2)=2464*(3)/(4)*(7)/(22)\\\\= 28* 3 * 7\\\\ = 588\\r = √(588)\\\\r= 24.25 \ cm\\\\Diameter = 2*r = 2*24.25 = 48.5 \ cm$

Torben answered Apr 23, 2022

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