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Find the Surface Area of a Sphere of Radius 7 Cm. - Geometry

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Sum

Find the surface area of a sphere of radius 7 cm.

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Solution

Radius of the sphere, r = 7 cm 

∴ Surface area of the sphere, S =  \[4\pi r^2 = 4 \times \frac{22}{7} \times \left( 7 \right)^2\]  = 616 cm2

Thus, the surface area of sphere is 616 cm2.

Concept: Concept of Surface Area, Volume, and Capacity
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APPEARS IN

Balbharati Mathematics 2 Geometry 10th Standard SSC Maharashtra State Board
Chapter 7 Mensuration
Practice set 7.1 | Q 4 | Page 145
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