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Maths-

General

Easy

Question

From the given figure, the value of ‘a’ is

40°
110°
130°
100°

hint Hint:

In this question, we have to find the value of a. Given AB and CD are parallel and a transversal. For this we will use some parallel lines theorem.

The correct answer is: 130°

As the AB is parallel to CD and there is transversal
So, the vertical opposite angle of $50 degree$ as those are always equal.
Now, we have the interior angles, and we know that their sum is $180 degree$

$S o comma 50 degree plus a equals 180 degree rightwards double arrow a equals 180 degree minus 50 degree rightwards double arrow a equals 130 degree$

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