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.
Ncert Math Solutions Class 9th Chapter 13 Surface Areas and Volumes Exercise 13.7 Question 8
If the triangle ABC in the Question 7 is revolved about the side 5 cm, then find the volume of the solid so obtained. Find also the ratio of the volumes of the two solids obtained in Questions 7 and 8.
Ncert Math Solutions Class 9th Chapter 13 Surface Areas and Volumes Exercise 13.7 Question 7
A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cm. Find the volume of the solid so obtained.
Ncert Math Solutions Class 9th Chapter 13 Surface Areas and Volumes Exercise 13.7 Question 6
The volume of a right circular cone is 9856
. If the diameter of the base is 28 cm, find
(i) height of the cone (ii) slant height of the cone (iii) curved surface area of the cone
Ncert Math Solutions Class 9th Chapter 13 Surface Areas and Volumes Exercise 13.7 Question 5
A conical pit of top diameter 3.5 m is 12 m deep. What is its capacity in kilolitres?
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