Parallel Line Angles All angles are Or Supplementary

Parallel Line Angles All angles are… Or Supplementary

Summary of Shape Keys Z is AIA X is Vertical Angles VA congruent Same side of Step Ladder Corresponding angles CA congruent C or U is Same Side Interior Angles SSI Supplementary Remember ICU

Branch off line means supplementary. Both angles acute then congruent. Both angles obtuse then congruent. One acute and One Obtuse then Supplementary

Corresponding Angles CA Same Side of Step Ladder

Alternate Interior Angles AIA

Alternate Exterior Angles AEA

Same Side Interior Angles SSI

Same Side of Step Ladder Corresponding Angles CA

Alternate Exterior Angles AEA

Same Side Interior Angles SSI

Same Side Exterior Angles SSE

Alternate Interior Angles AIA

Same Side Interior Angles SSI

Vertical Angles VA

Linear pairs Supplementary

Same Side of Step Ladder Corresponding Angles CA

None but… Supplementary

None but… Supplementary

Vertical Angles VA

Same Side of Step Ladder Corresponding Angles CA

Same Side of Step Ladder Corresponding Angles CA

Alternate Exterior Angles AEA

Same Side Exterior Angles SSE

Alternate Interior Angles AIA

Same Side Interior Angles SSI

Same Side of Step Ladder Corresponding Angles CA

Alternate Interior Angles AIA

Same Side of Step Ladder Corresponding Angles CA

None but… Supplementary

Vertical Angles VA

Alternate Exterior Angles AEA

Linear Pairs Supplementary

None but… Supplementary

Summary of Shape Keys Z is AIA X is Vertical Angles VA congruent Same side of Step Ladder Corresponding angles CA congruent C or U is Same Side Interior Angles SSI Supplementary Remember ICU

Branch off line means supplementary. Both angles acute then congruent. Both angles obtuse then congruent. One acute and One Obtuse then Supplementary