Mathematics Class 9>Chapter 20 - Surface Area and Volume of a Right Circular Cone>EXERCISE>Q 13

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9th CBSE

IMPORTANT

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The volume of a right circular cone is $9856 {cm}^{3}$ . If the diameter of the base is $28 cm,$ find:

height of the cone

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Important Questions on Surface Area and Volume of a Right Circular Cone

HARD

9th CBSE

IMPORTANT

Mathematics Class 9>Chapter 20 - Surface Area and Volume of a Right Circular Cone>EXERCISE>Q 13

The volume of a right circular cone is $9856 {cm}^{3}$ . If the diameter of the base is $28 cm,$ find:

slant height of the cone.

HARD

9th CBSE

IMPORTANT

Mathematics Class 9>Chapter 20 - Surface Area and Volume of a Right Circular Cone>EXERCISE>Q 13

The volume of a right circular cone is $9856 {cm}^{3}$ . If the diameter of the base is $28 cm,$ find:

curved surface area of the cone.

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9th CBSE

IMPORTANT

Mathematics Class 9>Chapter 20 - Surface Area and Volume of a Right Circular Cone>EXERCISE>Q 14

A conical pit of top diameter

3.5 m

is

12 m

deep. What is its capacity in

kilolitres

?

HARD

9th CBSE

IMPORTANT

Mathematics Class 9>Chapter 20 - Surface Area and Volume of a Right Circular Cone>EXERCISE>Q 15

Monica has a piece of Canvas whose area is

551 m^{2} .

She uses it to have a conical tent made, with a base radius of

7 m

. Assuming that all the stitching margins and wastage incurred while cutting, amounts to approximately

1 m^{2}

. Find the volume of the tent that can be made with it.

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9th CBSE

IMPORTANT

Mathematics Class 9>Chapter 20 - Surface Area and Volume of a Right Circular Cone>VERY SHORT ANSWER TYPE QUESTIONS (VSAQs)>Q 1

The height of a cone is

15 cm

. If its volume is

500 π {cm}^{3}

, then find the radius of its base( in

cm

).

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9th CBSE

IMPORTANT

Mathematics Class 9>Chapter 20 - Surface Area and Volume of a Right Circular Cone>VERY SHORT ANSWER TYPE QUESTIONS (VSAQs)>Q 2

If the volume of a right circular cone of height

9 cm

is

48 π {cm}^{3}

. Find the diameter of its base(in

cm

).

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9th CBSE

IMPORTANT

Mathematics Class 9>Chapter 20 - Surface Area and Volume of a Right Circular Cone>VERY SHORT ANSWER TYPE QUESTIONS (VSAQs)>Q 3

If the height and slant height of a cone are $21 cm$ and $28 cm$ respectively. Find its volume.

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9th CBSE

IMPORTANT

Mathematics Class 9>Chapter 20 - Surface Area and Volume of a Right Circular Cone>VERY SHORT ANSWER TYPE QUESTIONS (VSAQs)>Q 4

The height of a conical vessel is

3.5 cm .

If its capacity is

3.3

litres

of milk. Find its diameter of its base.