Angles
This is where we start learning about angles.
The applet below demonstrates our first example of constructed angles
that we KNOW to be congruent (of the same measure.)
They are called "vertical angles."
Drag points B or C to change the measure of each vertical angle pair.
The applet below demonstrates our first example of constructed angles
that we KNOW to be congruent (of the same measure.)
They are called "vertical angles."
Drag points B or C to change the measure of each vertical angle pair.
Licensed under the Creative Commons Attribution Share Alike 3.0 License