Surface Areas and Volumes| Worksheet Solutions| Class 9

Worksheet solutions for chapter: Surface Areas and Volumes for class 9 are provided below.

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(2) Radha wants to prepare a water tank cylindrical of radius 2 cm and height of the tank is 5 cm for her project. The tank has a base. What area of sheet she is required to prepare tank?

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(3) The radius of the cone is 4 cm and height is 10 cm. Find the slant height of the cone and length of the frill which is attached on the outer line of the base of the cone.

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(4) A sphere of radius 7 cm is covered with cloth. Find the area of the cloth.

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(5) A cuboidal box is full of books of same size. The cuboidal box volume is 169 m3.The dimensions of the book are, length 13 cm, breadth 1 cm and height 1 cm. How many books are inside the box?

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(6) Ram organized a party of 6 friends. He wants to serve juice to them. Each glass can hold 250 ml. how many bottles of 1 litre he has to buy to serve juice to every friend twice.

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(7) Find the volume of a cone of 9 cm radius and 21 cm height.

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(8) Find the volume of the sphere of radius 7 cm.

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(9) Find the volume of hemisphere of radius 14 cm. Find the ratio of volume of sphere in question 8 and hemisphere of this question.

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(10) Find the curved surface area and total surface area of a cylinder of radius 36 cm and height 63 cm.

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Helping Topics

Mensuration

NCERT Solution Class 9