saabrrinnaaa
saabrrinnaaa saabrrinnaaa
  • 12-11-2018
  • Mathematics
contestada

please help me with this question

image attached

please help me with this question image attached class=

Respuesta :

juneiparis666
juneiparis666 juneiparis666
  • 12-11-2018

4x-9+x-1=180    => Same side interior angles are supplementary

5x-10=180          => Add like terms

5x= 190           => Addition Property of equality

x= 38


Substitute:

m<A=4x-9

m<A=4*38-9

m<A=143

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