Ted's red hots is a hot dog restaurant that has the shape of a hot dog in a bun, with the hot dog wearing a white chef's hat at one end. wally's is a new hot dog restaurant that has a wiener dog shape with the wiener dog wearing a white chef's hat. ted's probably has an infringement claim based on:

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?