Charlotte needs to collect at least 5,000 signatures for her petition. she has already collected 3,187 signatures. write and solve an equation to determine how many more signatures charlotte needs.

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.