Seudónimo Seudónimo
  • 07-12-2019
  • Mathematics
contestada

Help!!! How do this help me ASAP

Help How do this help me ASAP class=

Respuesta :

131299 131299
  • 07-12-2019

Answer:

x=15

Step-by-step explanation:

4x+28+x+19+3x+13=180

8x+60=18

x=15

all angles of a triangle = 180

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