RD Sharma Solutions Class 9 Surface Area And Volume Of Sphere

RD Sharma Solutions Class 9 Chapter 21

RD Sharma Solutions Class 9 Chapter 21

RD Sharma solutions Class 9 Chapter 21 is given here which consists of questions and answers related to spheres. These questions and answers are designed by the experts of maths. These questions are really helpful for the preparation of maths exams like Maths Olympiad and IIT-JEE. These are an invaluable aid to students when they need help with their homework while preparing for exams and while learning.

What is a Sphere?

In a three dimensional space, these are a set of points at an equal distance ‘r’ from a given point. The shape resembles a ball. You will be seeing questions just like the below and much more.

  1. How to find the surface area of a sphere when the radius is given.
  2. How to find the surface area of a sphere when diameter is given.

This topic comes under analytical geometry and the formulas for the volume and the surface area of the sphere was first discovered by Archimedes. You will be seeing questions using these formulas and with regular practice yields fruitful results.

We at Byju’s are providing RD Sharma solutions for class 6th, 7th, 8th, 9th, 10th, 11th and 12th for CBSE students. In this chapter you are going to study about the following topics:


Class 9


Chapter 21


Surface Area and Volume of Sphere



RD Sharma Class 9 Maths Solutions – Chapter 21

Here you will find several exercises of class 9 maths chapter 21 -Surface Area and Volume of Sphere. Click on the links to access the maths exercises from the table

Practise This Question

Jimmy learnt the concepts of mixed fractions and improper fractions. He had a thought and wanted to confirm it with his teacher. He wrote the following steps on a paper:


Jimmy says that 874 is a mixed fraction. Choose the correct option(s):