+91-8076753736 [email protected]

-->

Lines And Angles

Question

Wired Faculty App

An exterior angle of a triangle is 80° and the interior opposite angles are in the ratio 1 : 3. Measure of each interior opposite angle is:
30°, 90°
40°, 120°
20°, 60°
30°, 60°

Solution

C.

20°, 60°

Some More Questions From Lines and Angles Chapter

In figure, if y = 20°, prove that the line AOB is a straight line.

In the given figure, lines AB and CD intersect at O. If ∠AOC + ∠BOE = 70° and ∠BOD = 40°, find ∠BOE and reflex angle EOC.

In figure, lines PQ and RS intersect each other at point O. If ∠POR : ∠ROQ = 5 : 7, find all the angles.

In figure, ray OS stands on a line POQ. Ray OR and ray OT are angle bisectors of ∠POS and ∠SOQ, respectively. If ∠POS = x, find ∠ROT.

If the complement of an angle is one-third of its supplement, find the angle.

In figure, find the value of x.

In figure, if ∠POR and ∠QOR form a linear pair and a - b = 80° then find the value of a and b.

What value of x would make XOY a line if ∠XOZ = 7x + 20° and ∠YOZ = 3x in figure.

Two supplementary angles are in the ratio 4 : 5. Find the angles.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation