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Mathematics, 02.02.2022 19:50 Andre7640

A ball was floating in a lake when the lake froze. Less than half the ball was below the water/ice. The ball was removed (without breaking the ice), leaving a hole 42 cm across at the top and 9 cm deep. What is the radius of the ball

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A ball was floating in a lake when the lake froze. Less than half the ball was below the water/ice....
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