Geometric Foundations and Construction

An angle of exactly 180°

• Straight Angle

• Adjacent Angle

• Scalene Angle

• Asher Angle

Equal in size or shape.

• Congruent

• Confluence

• Configure

• Contract

Two angles that have a common vertex and a common side but do not overlap. **Next door neighbors**

• Adjacent Angles

• Happy Angles

• Vertical Angles

• Supplementary Angles

Two angles that add up to exactly 180°

• Supplementary Angles

• Complementary Angles

• Adjacent Angles

• Thomas the Train Angles

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

Which angles are vertical angles?

Find the missing angle.

• 60°

• 70°

• 50°

• 140

• x = 118
• x = 108
• x = 28
• x = 58