Question

The total surface area of a solid hemisphere is 1848cm².find the diameter of the hemesphere

Answer 1

this question answer

Answer 2

Answer:

The diameter of the given hemisphere is 28 cm.

Step-by-step explanation:

Total surface area of solid hemisphere = 1848 cm²

We know that T.S.A. of hemisphere = 3πr²

Substitute the values and you get

1848 = 3 x 22/7 x r²

r² = 1848 x 7 / 3 x 22

r² = 28 x 7

r² = 196

Therefore r = 14 cm

Diameter = 2 x r

                = 2 x 14

                 = 28 cm

Therefore the diameter of the given hemisphere is 28 cm.

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