Angles on Parallel Lines

• m = 30^o

• m = 90^o

• m = 45^o

• Corresponding Angles

• Co-interior Angles

• Alternate Angles

• Corresponding Angles

• Co-interior Angles

• Alternate Angles

• g = 50^o, h = 60^o, m = 70^o

• g = 60^o, h = 50^o, m = 70^o

• g = 40^o, h = 30^o, m = 20^o

• g = 30^o, h = 40^o, m = 20^o

Angles a and b...

• are co-interior angles.

• are corresponding angles.

• are equal angles.

• sum to 180^o

Angles a and b...

• are co-interior angles.

• are alternate angles.

• are equal angles.

• sum to 180^o

Find the size of angle x.

• x = 70^o

• x = 110^o

• x = 60^o

• x = 80^o

Find the size of angle x.

• x = 108^o

• x = 72^o

• x = 112^o

• x = 106^o

Angles a and b...

• are alternate angles.

• are co-interior angles.

• are equal angles.

• sum to 180^o.

Angles a and b...

• are alternate angles

• are equal angles

• are co-interior angles

• sum to 180^o