Posted by behrooz on Sunday, September 23, 2012 at 1:24pm.
An 18 foot ladder is leaned against a wall .if the base of the ladder is 8 feet from the wall,how high up on the wall will the ladder reach?

geometry  Ms. Sue, Sunday, September 23, 2012 at 1:25pm
The ladder is the hypotenuse of a rightangle triangle.
Use the Pythagorean Theorem.