## 1 Find the measure of an angle which is equal to its complement A 45 B 60° C 30° D none 2 (3x – 58 ) and (x + 38 )

1 Find the measure of an angle which is equal to its complement

A 45

B 60°

C 30°

D none

2 (3x – 58 ) and (x + 38 ) are supplementary angles then x is

A 45°

B 50

C 30°

D none

3 I POR and I QOR form a linear pair of a – b = 809, find the value of a and b

A a -50% b = 120 B a 130 b = 50° C a 50b = 130° D none

4 if a transversal intersects two parallel lines Then the bisectors of all interior

angles forma figure

A square

thombus

Ckite

D rectangle

5. Angles of a triangles are in the ratio 2.4 3 The smallest angle of triangle is

A 60

B 40°

C 80

D 200

6. If two parallel lines are intersected by a transversal prove that bisectors of

the interior angles on the same side of transversal intersects each other at right

angles

7. OP bisects I BOC and OQ bisects i AOC Show that IPOQ = 90°

8. Prove that the sum of angles of a triangle is 180°

9. An exterior angle of a triangle measures 140° if the interior opposite angies

are in the ratio 3 1 Find the angles of the triangle

10. POD is a line Ray OR is perpendicular to line PQ OS is another ray lying

between rays OP and OR Prove that ROS = (100S – POS)

11. The sides AB and AC of ABC are produced to point E and Drespectively if

bisectors BO and CO of CBE and BCD respectively meet at a point then prove

BOC9C-BAC

## Answers ( )

Step-by-step explanation:2. x = 50 ……………….