shiestyycx shiestyycx
  • 11-03-2022
  • Mathematics
contestada

ZA and B are vertical angles. If m_A = (3x - 30° and mZB = (2x – 9)°,
then find the value of x.

Respuesta :

whattheheck076 whattheheck076
  • 11-03-2022
3x-30=2x-9
-2x -2x
1x-30=-9
+30 +30
1x=21
21/1
x=21
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