Respuesta :
Answer:
x = 21°
Step-by-step explanation:
Vertical angles have the same measures, therefore:
3x - 30 = 2x - 9
x - 30 = -9
x = 21°
Answer:
21
Step-by-step explanation:
If mZA=mB
3x-30°=2x-9
TRANSPOSE
3x-2x=-9+30
1x=21
X=21
Answer:
x = 21°
Step-by-step explanation:
Vertical angles have the same measures, therefore:
3x - 30 = 2x - 9
x - 30 = -9
x = 21°
Answer:
21
Step-by-step explanation:
If mZA=mB
3x-30°=2x-9
TRANSPOSE
3x-2x=-9+30
1x=21
X=21