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in Mathematics by (43.8k points)
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The whole surface area of a solid hemisphere with length of 7 cm radius is
A. 588`pi` sq-cm
B. 392 `pi` sq-cm
C. 147`pi` sq-cm
D. 98 `pi` sq-cm

1 Answer

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Best answer
The radius of the solid hemisphere =7.
`therefore` the whole surface area of it =`3pixx(7)^(2) sq-cm =3pixx49=sq-cm=147pi sq-cm.`
`therefore (c) is correct.

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