Question

The tsa of a closed hemisphere is 762.72cm then its diametre will be how much ?"

Answer 1

Answer:

Step-by-step explanation:

TSA of hemisphere = 3 x 22 x r x r/7

        762.72 = 66 x r x r/7

      5339.04 = 66 x r x r

         80.89 = r x r

               r = 8.99

               d = 17.98cm

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