One of the most important and exam oriented question from Chapter name- Arithmetic Progression
Class 10th
Chapter number- 9
Exercise :- 9.5
This type of question has been asked in previous years exams.

In this question we have been given that the angles of a quadrilateral are in A.P.

And their common difference is 10°

Now we have to find the angles.

CBSE DHANPAT RAI publication
CBSE Mathematics Class 10th
Question 9