SOLUTION: a ladder is placed 10 feet from the building. how long is, to the nearest tenth of a foot, is the ladder, if it reaches 30 feet up the building?

Algebra ->  Pythagorean-theorem -> SOLUTION: a ladder is placed 10 feet from the building. how long is, to the nearest tenth of a foot, is the ladder, if it reaches 30 feet up the building?      Log On


   

Question 33074: a ladder is placed 10 feet from the building. how long is, to the nearest tenth of a foot, is the ladder, if it reaches 30 feet up the building?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
10~2+30~2=X~2 OR 100+900=X~2 OR X~2=1000 OR X=SQRT 1000 OR X=31.6 FEET.