The surface area of a football is 616mm2. Calculate its radius.
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surface area of sphere=4πr²
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HEY FRIEND HERE IS YOUR ANSWER:-
given,
surface area of square is =616mm2
as football is in the shape of sphere
we know surface area of sphere=4×pie×r2
616=4×22/7×r2
616/4= 22/7×r2
154=22/7×r2
154×7/22=r2
7×7=r2
r2=49
r=7
Therefore the radius of football is 7mm
HOPE IT HELPS YOU......
PLEASE MARK ME AS BRAINLIEST...
given,
surface area of square is =616mm2
as football is in the shape of sphere
we know surface area of sphere=4×pie×r2
616=4×22/7×r2
616/4= 22/7×r2
154=22/7×r2
154×7/22=r2
7×7=r2
r2=49
r=7
Therefore the radius of football is 7mm
HOPE IT HELPS YOU......
PLEASE MARK ME AS BRAINLIEST...
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