Lines and Angles WS1

(Q.1)  In Fig, lines PQ and RS intersect each other at point O. If , find angle POR and angle ROQ (1 Marks) 

(Q.2)  An exterior angle of a triangle is 110° and one of the interior of opposite angles is 60°. Then the other two angles of a triangle are 

(Q.3)  In the given figure, if l m, then the value of x is

(Q.4)  The common end point of an angle is called_________________

(Q.5)  If one of the linear pair is acute, then the measure of the other angle is_____________________

(Q.6)  Sum of all angles round a point is equal to ______

(Q.7)  From the adjoining figure, if 1 = 55° and 6 = 60° ,then find all the angles

(Q.8)  Which of the following pair is complementary?                                                                                  (a) 37°, 45°   (b) 38°,54°   (c) 55°, 35°   (d) 74°, 25°
(Q.9)  From the adjoining figure , find the value of x is ifBCED and ABCD