95+2x+25=180
2x=60
x=30
110+a=180
a=70
a+y+z=180
70+ y+z=180
y+z=110
y=55
z=55
=x+y+z
=30+55+55
=140°(a)
120°+ 2x= 180°
2x = 60°
x = 30°
x+y+z = 30°+95°+15°= 140°
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95+2x+25=180
2x=60
x=30
110+a=180
a=70
a+y+z=180
70+ y+z=180
y+z=110
y=55
z=55
=x+y+z
=30+55+55
=140°(a)
120°+ 2x= 180°
2x = 60°
x = 30°
x+y+z = 30°+95°+15°= 140°
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