Question Answers

Sahay Sir > Question Answers > NCERT Class 9 > Maths > Chapter 13 - Surface Areas and Volumes > 9. A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m. Find its volume. The heap is to be covered by canvas to protect it from rain. Find the area of the canvas required.

9. A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m. Find its volume. The heap is to be covered by canvas to protect it from rain. Find the area of the canvas required.

3. The height of a cone is 15cm. If its volume is 1570 cm^3 find the diameter of its base. (Use π = 3.14)