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A 25 foot ladder leans against a building. The ladder's base is 13.5 feet from the building. Find the angle which the makes with the ground.


This question is k*****g me!
 Feb 26, 2014
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Anna Sun:

A 25 foot ladder leans against a building. The ladder's base is 13.5 feet from the building. Find the angle which the makes with the ground.


This question is k*****g me!



Hey Anna Sun!

The cosine of the angle is the base divided by the length.
Take the inverse cosine to find the angle...
 Feb 27, 2014

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