Exterior Angle Theorem

answer:

The exterior angle theorem states that the exterior angle formed when you extend the side of a triangle is equal to the sum of its non-adjacent angles. The theorem tells us that the measure of angle D is equal to the sum of angles A and B.

Step-by-step explanation:

what is the question you are asking?

graphs that are inverses of each other are graphs where their slopes are reciprocals of each other for example say you have an original equation of y=2x. the inverse of that graph would be y=-1/2(x). also when you see a graph where the original and the inverse is graphed the angle around intersection is 90 degrees.