esterribeiro20p04nvh esterribeiro20p04nvh
  • 12-03-2018
  • Mathematics
contestada

Determine o X do triângulo na questão b

Determine o X do triângulo na questão b class=

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 12-03-2018
2x + 3x = 90

5x = 90

x = 18
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