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Chapter 3: Q. 3 (page 313)

Volume and Surface Area Formulas: Write a formula for (a) the volume and (b) the surface area of each solid described below.

A sphere of radius r

Short Answer

Expert verified

(a) Volume of the sphere is,V=43蟺谤3

(b) Surface area of the sphere is,S=4蟺谤2

Step by step solution

01

  Part (a) step 1. Given information  

We have to find the volume and surface area of the given figure.

For that, we have been given a A sphere of radius r

02

Part (a) step 2. The volume of the sphere 

The formula to find the volume of the sphere is,V=43蟺谤3

03

Part (b) step 3. The surface area of the sphere

The formula to find the surface area of the sphere is,S=4蟺谤2

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