Question

in the following figure,the value of x is

Answer 1

,it's the answer of the question

Answer 2

The value of x is an option (3) 67°.

Given:

Two interior angles and exterior angle of a triangle

To Find:

value of x

Solution:

As we know,

In a triangle, the exterior angle of a triangle is equal to the sum of opposite interior angles.

therefore,

From figure,

⇒ 123° = 56° + x

⇒ 123 - 56 = x

⇒ 67° = x

Hence, the value of x is 67°.