Who am I?
Vertical angles are always.
What is equal angles across from each other?
If angle X and angle Y are vertical angles, and the measure of angle X is 60º, ___ is the measure of angle Y.
What is 60?
40 + 140 = 180 degrees shows this angle relationship.
What is Supplementary?
12 degrees
What is 90 - 12= 78
If angle G and angle H are vertical angles, and the measure of angle G is 120º, ___ is the measure of angle H.
What what is 120º?
Triangle Sum Theorom
What is all three angles combine to make 180 degrees?
Formula for any complementary angle.
What is 90 - x?
What is obtuse and acute?
True or False: Vertical angles cannot be 90 degrees.
What is false?
Two angles that cannot form a supplementary angle.
What are 2 acute angles?