Math, asked by ramyakomara28, 1 year ago

please answer this question urgent

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Answered by Ramcharan

1

Total area exposed = Area of the golf ball - area of the 150 circles occupied by the dimples+ surface area of the hemispherical dimples

=4π(4.1)²-150*π(0.2)²+150*2π(0.2)²

=211.24+ 18.84

=230.08sq.cm

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