68. The radius of a hemispherical balloon increases from 6 cm to 12
air is being pumped into it. The ratio of the surface areas of the ball
in two cases is
(a) 1:4 (b) 1:3
(c) 2:3 (d) 1:2
Answers
Answered by
7
Answer:
Answer is your answer option 2:3
C option.
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Answered by
5
Answer:
heya mate option c is correct answer to
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