Homework Help: Physics

Posted by Jeremiah on Wednesday, January 16, 2013 at 1:41pm.

A ladder 20m long rest against a vertical wall so that the foot of the ladder is 9m long. Find correct to the nearest degree the angle that the ladder makes with the wall.

Physics - Henry, Friday, January 18, 2013 at 11:58am
sinB = 9/20 = 0.45.
B = 27o.

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