A. How much water will be needed to fill this pool 4 feet deep? b. Before filling up the pool, it gets lined with a plastic liner. How much liner is needed for this pool?

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).

With alll of except for the 2 that i did already

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units