Question 264217
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A ladder leaning against a house makes an angle of 30 degrees with the ground. 
the foot of the ladder is 7 feet from the foot of the house. How long is the ladder to the nearest foot?
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        The solution by @mananth is incorrect: it uses wrong value of cosine.

        I came to bring a correct solution.



Cos(30) = base / hypotenuse
0.866= 7/hypotenuse
hypotenuse = 7/0.866 = 8.08 meters, approximately.  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>ANSWER</U>


Solved correctly.