# geometry

posted by
**carolyn**
.

A ladder is propped against a wall. If the top of the ladder reaches 18 feet up the wall and the base of the ladder is 6 feet from the base of the wall, how long is the ladder?

posted by
**carolyn**
.

A ladder is propped against a wall. If the top of the ladder reaches 18 feet up the wall and the base of the ladder is 6 feet from the base of the wall, how long is the ladder?