ML Aggarwal CBSE Solutions Class 7 Math 9th Chapter Lines and Angles Exercise 9.2
(1) Identify each of the given pair of angles as alternate interior angle, co interior angles or corresponding angles of none of these in the given figure:
(i) <2, <6
(ii) <1, <6
(iii) <3. <5
(iv) <2, <7
(v) <3, <6
(vi) <4, <8
(6) In the adjoining diagram, lines AB, CD and EF are parallael. Calculate the values of x and y. Hence, find the reflex angle ECA.
(7) In the adjoining figure, l∥m. Find the values of x, y and z.