Q. the radius of a sphere is doubled what will happen to surface area? *
▪️Becomes 2 times
▪️Becomes 3 times
▪️Becomes 4 times
▪️Becomes 1/4th times
pls answer ❤️
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Answer:
Becomes 4 times
Step-by-step explanation:
Let radius be 1unit
Surface area=4πr²
=4π sq units
New radius = 2 units
New surface area= 4πr²
=16π sq units
Thus when radius of sphere is doubled surface area becomes 4 times.
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