Given a pole 2 m high, and 30 cm in circumference. A ribbon winds around it 7 times from its base to its top. Find the length of the ribbon?

Given a circular log, 2 metres 50 centimetres in diameter. Assume it is turned into a rectangular plank 70 centimetres thick. Find the possible maximum width of the plank?

How does one solve these word problems.

Thanks in advance,

Raymond MacNeil