In a hemispherical bowl of 2.1 radius ice-cream is there.find the volume of the bowl
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Solution:
Given radius of hemispherical
bowl(r) = 2.1 units
Volume of the bowl (V)
= (2/3)πr³
= (2/3)×(22/7)×(2.1)³
= 19.404 cubic units
Therefore,
Volume of the bowl = 19.404
cubic units
••••
ya but i subirute it in formula what i have to do
we know the formula of hemisphere volume = (2/3)πr³ , substitute π = 22/7 and r = 2.1 in the formula , simplify it .
is it clear
(2/3)×(22/7)×2.1×2.1×2.1 = (2×22×2.1×2.1×2.1)/(21)
i had done that i have do cancellation?
ok
i got it
V = (2×22×21×21)/(10×10×10) = 19404/1000 = 19.404
thanks alot
:)
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