Drew has 4 pieces of rope 1 m eter long, he cuts each rope into fifths, how many fifths will he have after cutting all the ropes

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

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).