Respuesta :
Answer:
11
Step-by-step explanation:
4x = x + (180-147)
4x = x + 33
4x-x = 33
3x = 33
x = 11
Angle aside 147°
- 180-147
- 33°
Now
sum of two interiors=exterior
- x+33=4x
- 3x=33
- x=11
Answer:
11
Step-by-step explanation:
4x = x + (180-147)
4x = x + 33
4x-x = 33
3x = 33
x = 11
Angle aside 147°
Now
sum of two interiors=exterior