Hey, are you a class 9 Student and Looking for Ways to Download NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.2? If Yes then you are at the right place.
Here we have listed Class 9 maths chapter 13 exercise 13.2 solutions in PDF that is prepared by Kota’s top IITian’s Faculties by keeping Simplicity in mind.
If you want to score high in your class 9 Maths Exam then it is very important for you to have a good knowledge of all the important topics, so to learn and practice those topics you can use eSaral NCERT Solutions.
In this article, we have listed NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.2 that you can download to start your preparations anytime.
So, without wasting more time Let’s start.Download The PDF of NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.2 "Surface Areas and Volumes"
So, that’s all from this article. I hope you enjoyed this post. If you found this article helpful then please share it with other students.
Q1. The curved surface area of a right circular cylinder of height $14 \mathrm{~cm}$ is $88 \mathrm{~cm}^{2}$. Find the diameter of the base of the cylinder.
Q2. It is required to make a closed cylindrical tank of height 1 m and base diameter 140 cm from a metal sheet. How many square metres of the sheet are required for the same?
Q3. A metal pipe is $77 \mathrm{~cm}$ long. The inner diameter of a cross section is $4 \mathrm{~cm}$, the outer diameter being $4.4 \mathrm{~cm}$. Find its :
(i) inner curved surface area,
(ii) outer curved surface area,
(iii) total surface area.
Q4. The diameter of a roller is $84 \mathrm{~cm}$ and its length is $120 \mathrm{~cm}$. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in $\mathrm{m}^{2}$.
Q5. A cylindrical pillar is $50 \mathrm{~cm}$ in diameter and $3.5 \mathrm{~m}$ in height. Find the cost of painting the curved surface of the pillar at the rate of Rs $12.50$ per $\mathrm{m}^{2}$.
Q6. Curved surface area of a right circular cylinder is $4.4 \mathrm{~m}^{2}$. If the radius of the base of the cylinder is $0.7 \mathrm{~m}$, find its height.
Q7. The inner diameter of a circular well is $3.5 \mathrm{~m}$. It is $10 \mathrm{~m}$ deep. Find
(i) its inner curved surface area,
Q8. In a hot water heating system, there is a cylindrical pipe of length $28 \mathrm{~m}$, and diameter $5 \mathrm{~cm}$. Find the total radiating surface in the system.
Q9. Find
(i) The lateral or curved surface area of a closed cylindrical petrol storage tank that is $4.2 \mathrm{~m}$ in diameter and $4.5 \mathrm{~m}$ high.
(ii) How much steel was actually used, if $1 / 12$ of the steel actually used was wasted in making the tank.
Q10. In figure, you see the frame of a lampshade. It is to be covered with a decorative cloth. The frame has a base diameter of $20 \mathrm{~cm}$ and height of $30 \mathrm{~cm}$. A margin of $2.5 \mathrm{~cm}$ is to be given for folding it over the top and bottom of the frame. Find how much cloth is required for covering the lampshade.
Q11. 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 $3 \mathrm{~cm}$ and height $10.5 \mathrm{~cm}$. The Vidyalaya was to supply the competitiors with carboard. If there were 35 competitors, how much cardboard was required to be brought for the competition?
Also Read,
NCERT Class 9 Maths Book
NCERT Class 9 Maths Exemplar
Complete Solutions for Class 9 Maths chapter 13
Class 9 Maths Chapter 12 Exercise 12.1 Solutions
Class 9 Maths Chapter 12 Exercise 12.2 Solutions
If you have any Confusion related to NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.2 then feel free to ask in the comments section down below.
To watch Free Learning Videos on Class 9 by Kota’s top Faculties Install the eSaral App
Here we have listed Class 9 maths chapter 13 exercise 13.2 solutions in PDF that is prepared by Kota’s top IITian’s Faculties by keeping Simplicity in mind.
If you want to score high in your class 9 Maths Exam then it is very important for you to have a good knowledge of all the important topics, so to learn and practice those topics you can use eSaral NCERT Solutions.
In this article, we have listed NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.2 that you can download to start your preparations anytime.
So, without wasting more time Let’s start.
Download The PDF of NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.2 "Surface Areas and Volumes"
So, that’s all from this article. I hope you enjoyed this post. If you found this article helpful then please share it with other students.
All Questions of Chapter 13 Exercise 13.2
Once you complete the chapter 13 then you can revise Ex. 13.2 by solving following questions
Q1. The curved surface area of a right circular cylinder of height $14 \mathrm{~cm}$ is $88 \mathrm{~cm}^{2}$. Find the diameter of the base of the cylinder.
Q2. It is required to make a closed cylindrical tank of height 1 m and base diameter 140 cm from a metal sheet. How many square metres of the sheet are required for the same?
Q3. A metal pipe is $77 \mathrm{~cm}$ long. The inner diameter of a cross section is $4 \mathrm{~cm}$, the outer diameter being $4.4 \mathrm{~cm}$. Find its :
(i) inner curved surface area,
(ii) outer curved surface area,
(iii) total surface area.
Q4. The diameter of a roller is $84 \mathrm{~cm}$ and its length is $120 \mathrm{~cm}$. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in $\mathrm{m}^{2}$.
Q5. A cylindrical pillar is $50 \mathrm{~cm}$ in diameter and $3.5 \mathrm{~m}$ in height. Find the cost of painting the curved surface of the pillar at the rate of Rs $12.50$ per $\mathrm{m}^{2}$.
Q6. Curved surface area of a right circular cylinder is $4.4 \mathrm{~m}^{2}$. If the radius of the base of the cylinder is $0.7 \mathrm{~m}$, find its height.
Q7. The inner diameter of a circular well is $3.5 \mathrm{~m}$. It is $10 \mathrm{~m}$ deep. Find
(i) its inner curved surface area,
Q8. In a hot water heating system, there is a cylindrical pipe of length $28 \mathrm{~m}$, and diameter $5 \mathrm{~cm}$. Find the total radiating surface in the system.
Q9. Find
(i) The lateral or curved surface area of a closed cylindrical petrol storage tank that is $4.2 \mathrm{~m}$ in diameter and $4.5 \mathrm{~m}$ high.
(ii) How much steel was actually used, if $1 / 12$ of the steel actually used was wasted in making the tank.
Q10. In figure, you see the frame of a lampshade. It is to be covered with a decorative cloth. The frame has a base diameter of $20 \mathrm{~cm}$ and height of $30 \mathrm{~cm}$. A margin of $2.5 \mathrm{~cm}$ is to be given for folding it over the top and bottom of the frame. Find how much cloth is required for covering the lampshade.
Q11. 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 $3 \mathrm{~cm}$ and height $10.5 \mathrm{~cm}$. The Vidyalaya was to supply the competitiors with carboard. If there were 35 competitors, how much cardboard was required to be brought for the competition?
Also Read,
NCERT Class 9 Maths Book
NCERT Class 9 Maths Exemplar
Complete Solutions for Class 9 Maths chapter 13
Class 9 Maths Chapter 12 Exercise 12.1 Solutions
Class 9 Maths Chapter 12 Exercise 12.2 Solutions
If you have any Confusion related to NCERT Solutions for Class 9 Maths chapter 13 Exercise 13.2 then feel free to ask in the comments section down below.
To watch Free Learning Videos on Class 9 by Kota’s top Faculties Install the eSaral App