All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exercise 11.1>Q 2

HARD

9th CBSE

IMPORTANT

Earn 100

Find the curved surface area of a cone whose circumference of the base and slant height are $88 cm$ and $2 cm$ , respectively.

Important Questions on Surface Areas and Volumes

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exercise 11.1>Q 3

Find the curved surface area of a cone whose area of the base and height are

154 {cm}^{2}

and

24 cm

, respectively.

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exercise 11.1>Q 4

The radius and vertical height of a cone are

5 cm

and

12 cm

respectively. Find its curved surface area.

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exercise 11.1>Q 5

The circumference of the base of

16 m

high solid cone is

33 m

. Find the total surface area of the cone. (take,

π = 22 / 7

)

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exercise 11.1>Q 6

A conical tent is

12 m

high and the radius of its base is

16 m

. Find Slant height of the tent.

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exercise 11.1>Q 6

A conical tent is

12 m

high and the radius of its base is

16 m

. Find cost of the canvas required to make the tent, if the cost of

1 m^{2}

canvas is

₹ 70

.

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exercise 11.1>Q 7

Find the volume of the right circular cone whose

l = 24 cm, h = 21 cm

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exercise 11.1>Q 7

Find the volume of the right circular cone whose

I = 13 cm, h = 5 cm

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exercise 11.1>Q 7

Find the volume of the right circular cone whose

r = 5, h = 3 cm