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Surface area of hemisphere

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Surface area of hemisphere

Posted by Ravi Jindal 7 years ago

CBSE > Class 10 > Mathematics

2 answers

Sapna Jain 7 years ago

3πrsquare

0Thank You

Yogita Ingle 7 years ago

Total surface area of the hemisphere– While calculating the total surface area of a hemisphere, we need to consider the base of the hemisphere which is circular in shape. Thus the total surface area of a hemisphere is equal to

total surface area= curved surface area + area of the base circle

= <nobr>2πr²+πr²</nobr>

= <nobr>3πr²</nobr>

Area of Hollow Hemisphere = Area of External Hemisphere – Area of Internal Hemisphere

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