find the radius of a sphere whose surface area is 154 metre square
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4πRsqure=154m square
4X22/7Xr square =154m square
r square = 154X7/22X4
=49/4
r square = (7/4) square
R=7/4
4X22/7Xr square =154m square
r square = 154X7/22X4
=49/4
r square = (7/4) square
R=7/4
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