please answer...its just answer
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Step-by-step explanation:
In triangle ABC= 50+20+angle ACB=180° (angle sum property of triangle)
=> 70 +angle ACB=180
=> angle ACB = 110°
BCD is a line
=> angle ACB + x =180° (linear pairs)
=> 110+x =180
=> x= 70°
y= x+55° (exterior angle property of triangle)
y= 70+55
y= 125°
hope its helps you
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