Answered

13-foot ladder is leaning against a vertical wall. The lowest point of the ladder is 4 feet from the wall. What is the height of the point where the ladder touches the wall? (round your

answer to the nearest tenth of a foot).



Answer :

Answer:

Step-by-step explanation:

This is a right triangle with hypotenuse = 13 ft

 leg1 = 4 ft     leg2 = ?

Using Pythagorean Theorem:

 13^2 = 4^2 + ?^2

sqrt ( 13^2 -4^2) = ? = 12.4 ft