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Surface Area of a Hemisphere

 


Curved surface area of a hemisphere = 2p r2 cm2.

Total surface area of a hemisphere = 3
p r2 cm2.
 

Example:

Find the radius of a hemispherical bowl whose curved surface area is 2p cm2.
 

Solution:

Curved surface area of a hemisphere = 2pr2cm2.

2
p r2 = 2p

r = 1 cm

The radius of the hemisphere is 1 cm.
 

 





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