Equal

Supplementary

Complementary 

None of these

Scalene triangle

Equilateral triangle

Right angled triangle

Isosceles triangle

Are parallel

Are not parallel because the two given consecutive interior angles do not add to 180^o

Are not parallel because the two given corresponding angles are not equal

Are not parallel because the two given alternate angles are not equal

Consecutive interior angles

Alternate angles

Vertical angles

Corresponding angles

40^o and 40^o

40^o and 140^o

50^o and 130^o

90^o and 90^o

 1 and  3

 5 and  4

 8 and  1

 6 and  2

Supplementary

Equal

Complementary

None of these

Equal 

Supplementary

Complementary

None of these

60^o

45^o

90^o

30^o

Right

Straight

Acute

Obtuse