Concecutive Angles of a Parallelogram
Move points C and B to see the angles change.
What do you conjecture about the consecutive angles of quadrilaterals? Could you prove this? Could you prove it without the angle measures?
Broken Clock (minutes on fives)
Height of a Triangle
Exploration 1 - Proportionallity with Angle Bisector
Transformations of Parabolas
Reflect Points Y Axis