Answer:
1. (x+37) + (x+67) + 90° = 180°
=> x + x + 37 + 67 + 90 = 180
=> 2x +194 = 180
=> 2x = 180 –194
=> 2x = –14
=> x = –14/2
=> x = –7
2. [The measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles. ]
x = 63° + 86°
=> x = 149°
