W and x are whole numbers. w>50 x<40 work out the smallest possible value of w-x

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).

Use circumcenter theorem to solve for the given values

Common binomial factor of 6x(3x+7)+5(3x+7)