Question

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​

Answer 1

Step-by-step explanation:

2. x = 50 ...................