what is the the total surface area of a hemisphere of radius 7cm
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area=4pir^2/2+pir^2=3pir^2=462cm^2
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Answer:
Step-by-step explanation:
Formula to find tsa of hemisphere is 3* pi * r^2
r = 7
Tsa of hemisphere = 3 * 22/7 * 7* 7
= 3* 22 * 7
= 462
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