Change 320000cm to km​

How do you find the circumfrance of a circle?

Combine like terms to make a simpler expression 3z+z

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?