Draw `40^@` and `140^@` to form a linear pair

Teacher asked students to check whether 40^@ and 140^@ form a linear pair or not by drawing angles the students have drawn as follows who will get correct answer?

Fill in the Blanks : If the angles are 70^@, 110^@ do not form a linear pair, because they are ___.

Two adjacent angles are 40degrees and 140degrees.Do they form a linear pair? Draw a picture and check. Renu draw the pictures like this. Has she drawn correctly? Do these adjacent angles form a linear pair?

Is it possible for the following pair of angles to form a linear pair ?if yes draw them if not give reason (R&P) 98^@,102^@

Two adjacent angles are 40 and 140. Do they form a linear pair? Draw a picture and check. Reau drew the picture like this.she has drawn correctly? Do these adjacent angles form a linear pair?

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?

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

Which of the following pairs of angles form a linear pair. 70^@, 100^@

Which of the following pairs of angles form a linear pair: 130^@,50^@

Verify which of the following form a linear pair.