A metal water trough with equal semicircular ends and open top is to have a capacity of 128 Iuml cubic feet Figure 1 Determine its radius r and length h if the trough is to require the least material for its construction

Question: A metal water trough with equal semicircular ends and open top is to have a capacity of 128Ï cubic feet Figure 1. Determine its radius

A metal water trough with equal semicircular ends and open top is to have a capacity of 128Ï€ cubic feet Figure 1. Determine its radius r and length h if the trough is to require the least material for its construction.

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