Angle Relationships
These angles sit across from each other like two kids arguing over the last Takis.
Vertical angles
This rule uses all three sides in proportion, like comparing three different flavors of Hot Cheetos.
SSS similarity
Angles in the same position when lines are parallel
Corresponding angles
Two angles match . Similar triangles. Geometry is feeling generous today.
AA similarity.
Angles inside the parallel lines on opposite sides.
Alternate interior angles
two sides and the included angle the triangle version of a sandwich.
SAS similarity
Two angles that add to 180°, also known as the only relationship that actually works as a what?
Supplementary angles
ASA similarity uses what three things?
Angle–Side–Angle
Angles that share a vertex and a side but don’t overlap respectful roommates.
Adjacent angles
triangles with the sides 4, 6, 8 and 8, 12, 16 are similar by what rule?
SSS similarity