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What is the relationship between all triangles that can be drawn given the same three angles

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?