the total surface area of a solid hemisphere is 462 CM square find its volume
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varsha98:
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heya friend
As you know that total surface of hemisphere is =3πr^2.
so,3πr^2=462..
=>r^2=462*7/66
=>r^2=49
=>r=7
so,volume odmf sphere =2/3πr^3
=)2/3*22/7*(7)^3
=>718.666666666Cm^2 Ans ..
hope it help you ...
@rajukumar11☺☺
As you know that total surface of hemisphere is =3πr^2.
so,3πr^2=462..
=>r^2=462*7/66
=>r^2=49
=>r=7
so,volume odmf sphere =2/3πr^3
=)2/3*22/7*(7)^3
=>718.666666666Cm^2 Ans ..
hope it help you ...
@rajukumar11☺☺
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