Originally Posted by

**Xyrios** Hi everybody, I require assistance in solving this problem:

A transmission belt passes tightly around 2 pulleys and crosses itself between them. The radii of the pulleys are 3m and 2m respectively, and their centres are 13m apart. Calculate:

a) the length of the belt

b) the total area enclosed by the belt.

**Answers**

a) 43.65m

b) 56.75m^2

I would like to know the working out required for these questions.

I have also attached a simple diagram of the problem to aid in visualisation. Any assistance would be much appreciated.