Posted by **ashlyn** on Thursday, June 30, 2011 at 2:26am.

can someone please explain how to do this problem:

A twelve-foot ladder is leaning against a wall. If the ladder reaches 8 ft high on the wall, what is the angle the ladder forms with the ground to the nearest degree?

1. 36°

2. 42°

3. 48°

4. 54°

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