traman
traman
11-01-2018
Mathematics
contestada
How to find the missing variable?
Respuesta :
lesliekolleroxrkcf
lesliekolleroxrkcf
11-01-2018
7x+12=3x+50. def of exterior angle
4x°38
x=9.5
3*9.5+50=missing angle
28.5+50=78.5
180-78.5=102.5
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