radius of a sphere is 4 cm. find surface area of sphere?
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surface area of sphere=4πr²
r=radius=4
⇒4( 22/7) (4)(4)
⇒4(22/7)(16)
⇒201.142
r=radius=4
⇒4( 22/7) (4)(4)
⇒4(22/7)(16)
⇒201.142
Answered by
1
We have r = 4cm
Surface area of sphere = 4πr²
= 4*( 22/7)*4²
= 4*(22/7)*16
= 201.061
We have the surface area 201.061 cm²
Surface area of sphere = 4πr²
= 4*( 22/7)*4²
= 4*(22/7)*16
= 201.061
We have the surface area 201.061 cm²
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