Two Forces !!!!!Geometry Level 4
Two forces \(A\) \(=\) \(5i + 10j -20k\) and \(B\) \(=\) \(10i -5j - 15k\) act on a single point. What is the approx. measure of the angle between the vectors \(A\) and \(B\)?
NOTE : Enter your answer in Degrees. Round your answer to the nearest degree.