Types of Triangles
"What's in a triangle? That which we call a three-sided polygon By any other name would look as such." –Euclid, Geomet-Romeo and Juli-Ometry In this particular quote, Euclid (who...
Congruence and Congruence Transformations
What do Mary-Kate and Ashley Olsen, Oompa-Loompas, and triangles all have in common? Triangles are still waiting for their big break into the movie business, and of the three, Oompa-Loompas are the...
Proving Congruence
When two triangles are congruent, they're identical in every single way. Sure, they might be flipped or turned on their side or a million miles away, but they're still clones of each other. If t...
Triangles on the Coordinate Plane
Just like we've done with everything so far, we can stick triangles on a coordinate plane. We're sure you'd rather send them on a 737 to Abu Dhabi or to the North Pole, but we're stuck with coordin...