willoughby18 willoughby18
  • 15-03-2017
  • Mathematics
contestada

i need some help:(please

i need some helpplease class=

Respuesta :

aie4
aie4 aie4
  • 15-03-2017
the answer is C
Because
2x+3x must equal 90 since it's a right angle
2*18+3*18=90
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