SOLUTION: A ladder, 5cm long leans against a wall so that it makes an angle of 60° with the horizontal ground. Calculate how far up the wall the ladder reaches.

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Question 1206670: A ladder, 5cm long leans against a wall so that it makes an angle of 60° with the horizontal ground. Calculate how far up the wall the ladder reaches.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Make the drawing. Pythagorean Theorem formula if nothing else;
Notice you should have a special 30-60-90 triangle, which is half of an equilateral triangle.