Math, asked by goelvansh3974, 1 year ago

Solve the surface area of a sphere of radius 5cm is five times the curved surface area of a cone of radius 4cm. find the height of the cone.

Answers

Answered by endurance
1
surface area of the cone = 5×curved surface area of cone
4πr^2=5×πRl. (l is the slant height)
l= 5 cm
4^2+H^2=5^2
H=3 cm
now u can find the height by Pythagoras theorem
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