Question

if the radius of sphere of doubled , then what is the ratio of their surface area
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Answer 1

Answer:

The increase in surface area is 300% when the radius of a sphere is doubled. Therefore it is concluded that if the radius of a sphere is doubled then the ratio of their surface area is 4 times the old area. To know more about surface area , visit: The ratio of the surface area of two sphere is 3 : 5.