the new action comedy is 88 minutes long the award winning historical drama is 2.8 hours long what is the ratio of the length of the drama to the length of the comedy

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?