volume and surface area of a solid hemisphere are numerically equal what is the diameter of the hemisphere
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7
Volume =surface
=>2/3 x 22/7 x r^3=2 x 22/7 x r^2
=>2/3 x r= 2
=>1/3 x r= 1
=>r= 3
diameter= 2 x 3= 6 unit
=>2/3 x 22/7 x r^3=2 x 22/7 x r^2
=>2/3 x r= 2
=>1/3 x r= 1
=>r= 3
diameter= 2 x 3= 6 unit
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Answered by
2
actually area of semi hemisphere is 4πr²/2 .given 2πr² ...
so it is given volume = area ...
then 2π r= 2/3πr³ so
1/3= r. so diameter will be ..2/3 ..
hope it will help u ...
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