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Maharashtra State BoardSSC (English Medium) 10th Standard

Find the surface area of hemisphere with radius 10 cm (π = 3.14).

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Question

Find the surface area of hemisphere with radius 10 cm (π = 3.14).

Sum
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Solution

Given: Radius of the hemisphere (r) = 10 cm

π = 3.14

Formula: Total surface area of hemisphere = 3πr2

= 3 × 3.14 × (10)2

= 3 × 3.14 × 100

= 3 × 314

= 942 cm2

The surface area of the hemisphere is 942 cm2.

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Chapter 7: Mensuration - Exercise
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