Question

from the information given in the figure find the value of x

Answer 1

I hope it will help you dear.

Answer 2

Answer:

Hello. This is a really simple question.

Step-by-step explanation:

So, what you should be knowing to attempt this question is:

1) You must be knowing what exterior angle property is, so, the sum of two opposite interior opposite angles is equal to interior angles.

2) We know that the line l,m and n are straight lines. Therefore the angles formed on these lines will also be straight angles, i.e. they each will be equal to 180°

So now we will solve this question like this:

This triangle will be a Right Angled Triangle. So, angle on line m in the interior of the triangle will be 90°.

Now, Using Exterior Angle Property,

∠x + 90° = 120°

or ∠x = 30°

Hence Proved.

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