MATHEMATICS>Chapter 13 - Surface Areas and Volumes>EXERCISES>Q 19

MEDIUM

9th CBSE

IMPORTANT

Earn 100

A conical tent is $10 m$ high and radius of its base is $24 m$ . Find slant height of the tent.

Important Questions on Surface Areas and Volumes

MEDIUM

9th CBSE

IMPORTANT

MATHEMATICS>Chapter 13 - Surface Areas and Volumes>EXERCISES>Q 19

A conical tent is

10 m

high and radius of its base is

24 m

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

1 m^{2}

canvas is

₹ 70 .

EASY

9th CBSE

IMPORTANT

MATHEMATICS>Chapter 13 - Surface Areas and Volumes>EXERCISES>Q 20

Curved surface area of a cone is

308 c m^{2}

and its slant height is

14 c m

. Find: Radius of the base.

MEDIUM

9th CBSE

IMPORTANT

MATHEMATICS>Chapter 13 - Surface Areas and Volumes>EXERCISES>Q 20

Curved surface area of a cone is $308 c m^{2}$ and its slant height is $14 c m$ .

Find: Total surface area of the cone.

MEDIUM

9th CBSE

IMPORTANT

MATHEMATICS>Chapter 13 - Surface Areas and Volumes>EXERCISES>Q 21

How many square metres of canvas is required for a conical tent whose height is

3.5 m

and the radius of the base is

12 m

?

MEDIUM

9th CBSE

IMPORTANT

MATHEMATICS>Chapter 13 - Surface Areas and Volumes>EXERCISES>Q 22

A cylindrical roller

2.5 m

in length,

1.75 m

in radius when rolled on a road was found to cover the area of

5500 m^{2}

. How many revolutions did it make?

MEDIUM

9th CBSE

IMPORTANT

MATHEMATICS>Chapter 13 - Surface Areas and Volumes>EXERCISES>Q 23

The radius and height of a right circular cone are in the ratio

3 : 4

. If its volume is

301.44 c m^{3}

find its radius and slant height.

MEDIUM

9th CBSE

IMPORTANT

MATHEMATICS>Chapter 13 - Surface Areas and Volumes>EXERCISES>Q 24

A cone of height

8 m

has a curved surface area

188.4 s q . m

. Find its volume.

MEDIUM

9th CBSE

IMPORTANT

MATHEMATICS>Chapter 13 - Surface Areas and Volumes>EXERCISES>Q 26

Find the area of the metal sheet required to make two close hollow cones each of height

24 c m

and slant height

25 c m .