Question 23066
ANSWER TO YOU PROBLEM IS GIVEN BELOW
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V=4(PIE)^2*H/3...MULTIPLY BOTH SIDES WITH 3 
V*3=3*4(PIE)^2*H/3=4(PIE)^2*H.....NOW DIVIDE OTH SIDES WITH 4(PIE)^2
3V/(4(PIE)^2)=4(PIE)^2*H/(4(PIE)^2)=H
HENCE H=3V/(4(PIE)^2)
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