Angles
1. Two angles are supplementary. What does that mean?
They add up to 180 degrees.
Angle A and Angle B are called ________________ angles.
Find the measure of Angle A.
vertical, 148 degrees
2. Two angles are complementary. What does that mean?
They add up to 90 degrees.
3. The inside angles of a triangle always add up to _____________.
180 degrees
4. These two angles add up to _________________.
They are called _______________ angles.
Find the measure of the missing angle.
90 degrees, complementary, 61 degrees
5. These three angles form a straight line.
They add up to _________________.
Find the measure of the missing angle.
180 degrees, 110 degrees