Lines and Angles

Two angles are said to be adjacent angles if they have...

• a common vertex

• a common arm

• a common vertex and a common arm

• sides

40^o and 50^o are ..... angles

• linear pair

• complementary

• Supplementary

• Right

which of the following is the example of supplementary angles?

• 60^o and 60^o

• 40^o and 140^o

• 20^o and 120^o

• 30^o and 60^o

Two lines are said to be parallel lines if they

• meet to each other

• intersect to each other

• never meet to each other

• make angle 30

If a transversal intersect two parallel lines they it forms

• Alternate angles

• Corresponding angles

• co-interior angles

• all of the above

which of the following angle is equal?

• Vertically opposite angle

• alternate angle

• corresponding angle

• interior angle

The sum of co-interior angles is 180^o if straight lines are.....

• not parallel

• meet to each other

• Parallel

• perpendicular