Posted by **Noelia** on Wednesday, March 7, 2007 at 8:03pm.

A 10 foot ladder is to be placed against the wall, the base of the ladder must be placed at an angle of 72 degrees with the level ground for secure footing find to the nearest in how far the base of the ladder should be from the wall the ladder will reach?

base distance= 10 cos72

height on wall= 10 sin72

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