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OpenStudy (anonymous):
A piston is formed from 3 similar cylindrical solids joint together with their centres aligned vertically. The length of each cylindrical solid is 4cm, 6cm, and 10cm respectively. Given that the total volume of the piston is 256pie/5 cmˆ3, find a) the radius of the smallest cylindrical solid, b) the total surface area of the piston
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OpenStudy (anonymous):
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