I'm trying to calculate the angle v in this triangle By first making a 90 line with the length of r. Then I need to make a similar line on the other side of the triangle like shown below. But
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A triangle has one 90 degrees angle and from there one leg is 10.25 long and the other leg is 7.75 long, what are the degrees for the other two angles?
How to find an angle when the equation of three sides of a triangle are given - Quora
Non-right triangle trig
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45-45-90 Triangle, Formula, Rules & Examples - Lesson
