Tiwari Academy Discussion

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

Kavita Kaushik

Asked: November 5, 2020In: Class 9

Find the volume of a sphere whose surface area is 154 cm².

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 13.8 Page No:236 Questions No:7

Gopinath Munde

Asked: November 5, 2020In: Class 9

If the volume of a right circular cone of height 9 cm is 48 π cm³, find the diameter of its base.

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 13.7 Page No:233 Questions No:4

Gopinath Munde

Asked: November 5, 2020In: Class 8

The height of a cone is 15 cm. If its volume is 1570 cm³, find the radius of the base.

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 13.7 Page No:233 Questions No:3

Gopinath Munde

Asked: November 5, 2020In: Class 8

Find the capacity in litres of a conical vessel with radius 7 cm, slant height 25 cm.

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 13.7 Page No:233 Questions No:2 (i) radius 7 cm, slant height 25 ...

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.

Find the volume of a sphere whose surface area is 154 cm².

If the volume of a right circular cone of height 9 cm is 48 π cm³, find the diameter of its base.

The height of a cone is 15 cm. If its volume is 1570 cm³, find the radius of the base.

Find the capacity in litres of a conical vessel with radius 7 cm, slant height 25 cm.

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