are co-interior angles.

are alternate angles.

are equal angles.

sum to 180^o

x = 108^o

x = 72^o

x = 112^o

x = 106^o

are alternate angles.

are co-interior angles.

are equal angles.

sum to 180^o.

are alternate angles

are equal angles

are co-interior angles

sum to 180^o

x = 72^o

x = 108^o

x = 70^o

x = 110^o

x = 121^o

x = 59^o

x = 61^o

x = 239^o

are equal

sum to 180^o

sum to 360^o

are corresponding

are equal

are alternate

sum to 180^o

are equal

are corresponding

sum to 180^o

are co-interior

are corresponding

are alternate

are equal

sum to 180^o

x = 68^o

x = 112^o

x = 58^o

x = 102^o

x = 127^o

x = 53^o

x = 121^o

x = 57^o