Angles &

Congruency

Parallel Lines & Transversals

1 2

34

5 6

78

Acute Angles

Have a measurement less than 90°

Obtuse Angles

Have a measurement

greater than 90°

CONGRUENT ANGLES…

Vertical Angles:

1 2

34

5 6

78

Corresponding Angles:

1 2

34

5 6

78

Alternate Exterior Angles:

1 2

34

5 6

78

1 2

34

5 6

78

Alternate Interior Angles:

SUPPLEMENTARY ANGLES…

Supplementary Angles:

1 2

34

5 6

78

Have a sum of 180°

1 2

34

5 6

78

Adjacent Angles:

1 2

34

5 6

78

Same Side Interior Angles: