Tiwari Academy Discussion

Asked: November 5, 2020In: Class 9

A conical tent is 10 m high and the radius of its base is 24 m. Find cost of the canvas required to make the tent, if the cost of 1 m² canvas is Rs 70.

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.3 Page No:221 Questions No: 4 Part:1

Divakar Pandey

Asked: November 5, 2020In: Class 9

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

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.3 Page No:221 Questions No: 4 Part 1

Divakar Pandey

Asked: November 5, 2020In: Class 9

Curved surface area of a cone is 308 cm² and its slant height is 14 cm. Find (i) radius of the base and (ii) total surface area of the cone.

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.3 Page No:221 Questions No:2

Divakar Pandey

Asked: November 5, 2020In: Class 9

Find the total surface area of a cone, if its slant height is 21 m and diameter of its base is 24 m.

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.3 Page No:221 Questions No:2

Divakar Pandey

Asked: November 5, 2020In: Class 9

Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area.

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.3 Page No:221 Questions No:1

Bagheera Thakur

Asked: November 5, 2020In: Class 9

The students of a Vidyalaya were asked to participate in a competition for making and decorating penholders in the shape of a cylinder with a base, using cardboard. Each penholder was to be of radius 3 cm and height 10.5 cm. The Vidyalaya was to supply the competitors with cardboard. If there were 35 competitors, how much cardboard was required to be bought for the competition?

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.2 Page No:217 Questions No:11

Bagheera Thakur

Asked: November 5, 2020In: Class 9

Find how much steel was actually used, if 1/12 of the steel actually used was wasted in making the tank.

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.2 Page No:217 Questions No: 9 Part:2

Bagheera Thakur

Asked: November 5, 2020In: Class 9

Find the lateral or curved surface area of a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5 m high.

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.2 Page No:217 Questions No:9 Part-1

Bagheera Thakur

Asked: November 5, 2020In: Class 9

In a hot water heating system, there is a cylindrical pipe of length 28 m and diameter 5 cm. Find the total radiating surface in the system.

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.2 Page No:217 Questions No:8

Bagheera Thakur

Asked: November 5, 2020In: Class 9

The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find (i) its inner curved surface area, (ii) the cost of plastering this curved surface at the rate of Rs 40 per m2.

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.2 Page No:217 Questions No:7

A conical tent is 10 m high and the radius of its base is 24 m. Find cost of the canvas required to make the tent, if the cost of 1 m² canvas is Rs 70.

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

Curved surface area of a cone is 308 cm² and its slant height is 14 cm. Find (i) radius of the base and (ii) total surface area of the cone.

Find the total surface area of a cone, if its slant height is 21 m and diameter of its base is 24 m.

Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area.

Find how much steel was actually used, if 1/12 of the steel actually used was wasted in making the tank.

Find the lateral or curved surface area of a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5 m high.

In a hot water heating system, there is a cylindrical pipe of length 28 m and diameter 5 cm. Find the total radiating surface in the system.

The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find (i) its inner curved surface area, (ii) the cost of plastering this curved surface at the rate of Rs 40 per m2.

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