AIM: Can AAA be used to determine if two triangles are congruent?
Today we tried to add a new congruence shortcut to our toolbox but failed…
It turns out that triangles that share three angles in common (AAA) are not congruent but similar. In geometry similar means two objects that are the same shape but different sizes.
Check the link below for an interactive demonstration:
http://www.mathopenref.com/similaraaa.html
Classwork is attached:
[gview file=”https://www.whsad.org/wp-content/uploads/2014/10/Lesson-911.5-AAA.docx”]