1.

Find the total surface area of a hemisphere. whose radius is 7cm​

Answer»

Answer:

462

Step-by-step explanation:

TSA of a HEMISPHERE = 3 ×pi×r×r

Radius =R = 7 cm

Tsa of the hemisphere = 3×22/7×7×7

=Tsa of the hemisphere = 462 cm^2

462cm^2



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