Question

Example 12 : The radii of the ends of a frustum
of a cone 45 cm high are 28 cm and 7 cm
(see Fig. 13.21). Find its volume, the curved
surface area and the total suface area
22
(Take =
22
Soli
ri​

Answer 1

Answer:

Did you mean: Example 12 : The radii of the ends of a frustum of a cone 45 cm high are 28 cm and 7 cm (see Fig. 13.21). Find its volume, the curved surface area and the total surface area 22 (Take = 22 Soli ri