C Raghav
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Cone volume
in Brain Teasers and Puzzles
Posted
We get cone if we revolve Right angle triangle along its height
the area of Right angles triangle is 1/2(H)B
in cone, B= Radius ® and angle of revolution is 360(2pi)
if we integrate Area of right angled trianglelimits 0 to 2pi, can we achieve volume of cone?
0-> 2pi Int 0.5 r h