Segment A'B' is parallel to segment AB. What is the length of segment A'A?

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.

Adriveway is 40 yards long about how many meters long is it

Need plz been trying to do it for a long time and still haven’t succeeded