Britney's Cafe offers two kinds of espresso: single-shot and double-shot. Yesterday afternoon, the cafe sold 2 single-shot espressos and 18 double-shot espressos. What percentage of the espressos sold were single-shot?

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.