Which statements are true about these lines? Select three
options.
Line RS has a slope of 6.
Line SW has an undefined slope.
Line TV has a slope of 0.
6
8
10
x
Lines RS and TV are parallel.
Line SW is perpendicular to line RS, but not to line TV.

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?