SOLUTION: a ladder is resting against a wall. The top of the ladder touches the wall at a height of 15ft. Find the lenght of the ladder if the ladder os 5ft more than its distance from the w

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Question 320521: a ladder is resting against a wall. The top of the ladder touches the wall at a height of 15ft. Find the lenght of the ladder if the ladder os 5ft more than its distance from the wall.
Found 2 solutions by rfer, solver91311:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
25+225=250
sq rt 250=15.81 ft

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let represent the length of the ladder. Then must represent the distance from the foot of the ladder to the wall measured along the ground. Assume perfectly level ground and the wall is exactly perpendicular to the ground. Then use the Pythagorean Theorem:



Solve for

John