Thomas has $10 to spend on lunch he decides to buy some chicken sandwiches which cost $2.75 each and one container of orange juice which cost $1.50 what is the maximum Number of chicken sandwiches Thomas can buy

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).