A toy is in the shape of a cylinder surmounted by a hemisphere. The height of the toy is \(29.5 \ cm\). Evaluate the total surface area of the toy if its common diameter is \(8 \ cm\).
Answer:
Total surface area \(=\) \((\)\()\) \(+\) \((\)\()\) \(+\) \((\)\()\)
\(=\) \(+\) \(+\)
\(=\) \(sq. cm\)