If the area of a circle is 50.25 meters what is the radius

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?