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Angle Relationships Cheat Sheet (DRAFT) by

Geometry angle relationships with parallel and transverse lines

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Vocab

Parallel Lines
Lines that do not intersect
Congruent
Angles have the same measure
Supple­mentary
Angles add up to 180°
Interior
Inside; "­cream in Oreo"
Exterior
Outside; "­cookie in Oreo"
 

Angle Relati­onships

Corres­ponding angles
On the same side of the transverse line
Congruent
Alternate Interior angles
Opposite sides of the transverse line AND inside parallel lines
Congruent
Alternate Exterior angles
Opposite sides of transverse line AND outside of parallel lines
Congruent
Vertical angles
Diagonally opposite each other
Congruent
Same Side Interior
Same side of transverse line AND inside parallel lines
Supple­mentary
Same Side Exterior
Same side of transverse line AND outside parallel lines
Supple­mentary
Some pairs are given “names” that describe “where” the angles are located in relation to the line(s)