For the figures below, assume they are made of semicircles, quarter circles and squares. For each shape, find the perimeter. Give your answer as a completely simplified exact value in terms of π (no approximations).

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?