limit does not exist 2 videos
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Writing a Good Definition
Geometry Geometry Building Blocks
How to write a good definition that does not have a counterexample.
definition counterexample classify quantify parallelogram -
Similar Triangles in Circles and Right Triangles
Geometry Similarity
How to determine if two triangles in a circle are similar and how to prove that three similar triangles exist in a right triangle with an altitude.
similar inscribed angles intercepted arc right angle circle
