Select the best answer for the question. к 9. Points K, L, and M are the midpoints of their respective sides. Given that the measure of ML is represented by the expression 4x - 13, and the measure of YX is represented by the expression 3x + 9, determine the value of x. A. -2 B. 2 C. 7 D. -7

Determine whether angle-angle-angle (aaa) is a valid means for establishing triangle congruence. if it is a valid criterion, explain why. if it is not valid, use geogebra to create a counterexample demonstrating that it doesn’t work and give an explanation. if you construct a counterexample, take a screenshot of your work, save it, and insert the image in the space below.