Can anyone tell me how to do this problem?
1 answer:
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Given:
Consider the below figure attached with this question.
To find:
The value of x.
Solution:
According to the exterior angle theorem, the exterior angle of a triangle is equal to the sum of two opposite interior angles.
In triangle ABC, using exterior angle theorem, we get
The value of x is 105 degrees.
Therefore, the correct option is C.
