If the diameter of the base of a closed right circular cylinder be equal to its height h, then its whole surface area is
Given,
Diameter of cylinder = height of cylinder
2r = h or 
Total surface area of cylinder = 2πr(h+r)
= hπ (h+
) = 
15
If the diameter of the base of a closed right circular cylinder be equal to its height h, then its whole surface area is
Given,
Diameter of cylinder = height of cylinder
2r = h or
Total surface area of cylinder = 2πr(h+r)
= hπ (h+) =