height of cone is 5cm find whose volume is 16 times to first cone volume and radius equal to diametere
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Answer:
VOL OF 2nd CONE = 16 x VOL OF 1st CONE
RADIUS OF 2nd CONE = DIAMETER OF 1st CONE
(πD^2H)/3 = πR^2h)3 (CUT 3 FROM BOTH SIDES)
πD^2H = πR^2h
π(2R)^2H = πRh (2R=r)
π4R^2H = πR^2h
4H = h
4H = 5 (h=5)
H = 5/4
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