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Answer:
y = 90°
z=70°
x=110°
Step-by-step explanation:
y = 90° because of exterior angle property
z=70° because of exterior angle property
x=110° because of sum of all sides property and then exterior angle property
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Answer:
z=180-110(angle sum property)
=70
y=180-90(angle sum property
=90
a+b+y+z=360(see diagram below to understand)
=a+b+70+90=360
=a+b=200
a=180-50=130(angle sum property)
so 130+b=180
b=50
x=180-50(angle sum property)=130
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