Posted by Rich on Thursday, May 9, 2013 at 9:45pm.
The bottom of the ladder on a horizontal flat surface rests against a wall. It makes an angle of elevation of 35°. The bottom of the ladder is 42 ft from the base of the wall. How long is the ladder? Round your answer to the nearest whole number.

MATH  Steve, Friday, May 10, 2013 at 11:08am
42/x = cos35°
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