Find the area of the cylinder. 3cm 6cm

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Which of the following best describes the delian problem?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.