Angles

1. Angles at the intersection of 2 lines

1.1. all angles=360 degrees

1.2. vertical angles

2. Measuring Angles

2.1. Center of protractor on vertex of angle

2.2. zero degrees in kine with one side

2.3. measure of vertical angles equal 360 degrees

2.4. cant have angle outside protractor

3. Complementary and Supplementary

3.1. adjacent angles

3.1.1. 2 angles that share the same angle

3.2. complementary

3.2.1. angles that sum up to 90 degrees

3.3. perpendicular

3.3.1. the 2 rays that form a right angle

3.4. supplementary

3.4.1. angles that sum up to 180 degrees