Newest
Problem involving angle derived from square and circle
Challenging problem to find an angle
Wrong statements in triangle proofs example 1
Example of working through this module: http://www.khanacademy.org/math/geometry/triangles/e/geometry_proofs_2
Fill-in-the-blank triangle proofs example 2
Worked example for this type of module: http://www.khanacademy.org/math/geometry/triangles/e/geometry_proofs_1
Fill-in-the-blank triangle proofs example 1
Sal works through an example of http://www.khanacademy.org/math/geometry/triangles/e/geometry_proofs_1
Basic triangle proofs module example 2
Another example of using http://www.khanacademy.org/math/geometry/triangles/e/geometry_proofs_intro
Basic triangle proofs module example
Simple worked example of using http://www.khanacademy.org/math/geometry/triangles/e/geometry_proofs_intro
Figuring out all the angles for congruent triangles example
Another example of using congruency to figure out a bunch of angles
Example involving an isosceles triangle and parallel lines
Integrating what we know about isosceles triangles and parallel lines
Another isosceles example problem
Possible angles for an isosceles triangle
Equilateral and isosceles example problems
Three example problems involving isosceles and equilateral triangles. 2 from Art of Problem Solving (by Richard Ruscyk) book
Equilateral triangle sides and angles congruent
Showing that all of the angles of an equilateral triangle are 60 degrees
