In the figure, are any of the triangles congruent? How do you know?
What theorems do I need today?
Let's do some examples!
If the measure of angle A is 120 degrees, what are the measures of the other angles?
Find a.
Find a.
Find x and y.
Try these with a neighbor:
Find measure of angle A.
Find measure of angle D.
Find x.
Find length AB.
What is the difference between a quadrilateral and a parallelogram?
Complete these problems for a 3
Challenge Work (for a 4)