Angle A is circumscribed about circle O. What is the measure of angle A? I couldn't get the image, but it's a square intersecting a circle and the top right angle is 92 degrees. It's a Khan Academy question

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.