This tutorial shows you how to use your knowledge of intersecting chords in a circle to find a missing angle measurement.
Plugging variables into an expression is essential for solving many algebra problems. See how to plug in variable values by watching this tutorial.
Vertical angles have a very special quality. They are always congruent to one another! Check out this tutorial to learn about and see how to identify vertical angles!
This tutorial shows you how to use your knowledge of intersecting arcs in a circle to find a missing arc measurement. Take a look!