Angle relationships

In this lesson, we will learn:

• Application of Supplementary Angles
• Complementary Angles on Polygons
• Application of Complementary Angles
• Proving Vertical Angles Using Supplementary Angles
• Application of Vertical Angles
• Understanding Adjacent Angles
• Finding Adjacent Angles

Notes:

• Supplementary angles: two angles which add up to 180°, don't necessarily have to be together.
• Complementary angles: two angles which add up to 90°, again, don't necessarily have to be together.
• The "S" of Supplementary stands for "straight", and there are 180° on a straight line.
• The "C" of Complementary stands for "corner", and there are 90° at a corner.
• Vertical angles: angles opposite each other are the same when two lines cross
• Adjacent angles: two angles sharing a common side and vertex, yet they do not overlap.