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.

Answer with explanation:

AAA -angle-angle-angle, is not a valid criteria for congruence.

This can be explained in the following way.

Consider two equilateral triangles having side measurements , 6 cm, 6 cm, 6 cm and other triangle having side measurements 7 cm, 7 cm and 7 cm.

⇒The two triangles are Similar by Angle -Angle-Angle(AAA) Axiom.It's corresponding sides are proportional and corresponding Angles are equal.

→Similarity, does not imply that the two triangles are congruent.While proving congruency you need to prove the two corresponding sides as well as  corresponding Angles are equal.

⇒To prove the two triangles are congruent,we have to include a side in any of the axioms , which are SAS, SSS, AAS,ASA.

⇒So,we can conclude that , Angle-Angle-Angle (AAA) is a not a valid criterion for establishing triangle congruence.

where's the diagrams?

it would be:

c.parallelogram.