The total surface area of a cylinder of base radius r and height h is______.

Total surface area of a cylinder of radius h and height r is _________

Curved surface area of a cylinder of radius h and height r is _______.

The curved surface area of a cone of base radius r and height h is_______.

Write the ratio of total surface area to the surface area of a cylinder of radius r and height h

Write the ratio of total surface area to the surface area of a cylinder of radius r\ and height h

Find the rate of change of the total surface area of a cylinder of radius r and height h , when the radius varies.

Find the volume, curved surface area and the total surface area of a cylinder having base radius 10.5 cm and height 18 cm.

The ratio of the total surface area to the lateral surface area of cylinder with base radius 80cm and height 20cm is __

Find the rate of change of the total surface area of a cylinder of radius r and h , when the radius varies.