Find the perimeter of the polygon if ZB = D.
6.5 cm
B
7.5 cm
D
8.5 cm
P = [?] cm

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

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?

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?