Question

the tsa of solid hemisphere of radius 21mm​

Answer 1

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TSA of hemisphere : 3πr^2

= 3 x 22/7 x 21 x 21

= 3 x 22 x 3 x 21

= 66 x 63

4158 mm^2

Answer 2

Answer:

TSA of hemisphere is 3pi r^2

Step-by-step explanation:

TSA = 3 * 22/7 * 21 * 21

= 4158mm

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