Question

I wasnt here when we did this, please help?

Answer 1

25°

Explanation:

look at the picture, that's the ans

Answer 2

x = 25.4

Explanation:

the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

139° is an exterior angle of the triangle, then

5x - 25 + 37 = 139

5x + 12 = 139 ( subtract 12 from both sides )

5x = 127 ( divide both sides by 5 )

x = 25.4