Please, can anyone tell how the answer is 9.5 for part b?
Thank you.
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2The total volume of water = the volume of the lower hemisphere + the volume of water in the cylinder with height $h - 6$. Form an expression for total volume of water and equate that equal to $270\pi$ cm$^3$ – an4s Mar 11 '18 at 18:43
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Got it thanks.. – Dinesh Potluru Mar 11 '18 at 18:51