shyanne173
shyanne173
15-10-2018
Mathematics
contestada
what is the measure of the exterior angle?
Respuesta :
Cathi
Cathi
16-10-2018
90+3x+2+x=180
Subtract 90 from both sides
3x+2+x=90
4x+2=90
Subtract 2 from both sides
4x=88
Divide by 4
X=22
Angle 1+ angle x=180
Angle1 + 22=180
Subtract 22 from both sides
Angle 1 =158
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