Draw the following pairs of angles as adjacent angles. Check whether they form linear pair.

Draw the pairs of angles as adjacent angles. Check whether they form linear pair.

Which of the following are not adjacent angles ?

In the following figure write the pairs of adjacent angles.

which of the following pairs of angles are complementary?

A pair adjacent angle is___

Which of the following pairs of angles are supplementary angles?

Which of the following pair of angles are complementary?

Which of the following pairs of angles are not complementary?

Which of the following are adjacent angles ?

Niharika took two angles 130^@ and 50^@ and tried to check whether they form linear pair. She made the following picture.Can we say that these two augles do not for a linear pair ?If not, what is Niharika's mistake?