1 Answer

Sugar · Answer 1 · 2021-07-10T11:15:52+0000

Answer:

We know that the exterior angle of a triangle is equal to the sum of two opposite interior angle.

Explanation:

So

25x + 57 + x = 45x

26x + 57 = 45x

57 = 45x - 26x

19x = 57

Therefore x = 3

Hope it will help you

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