find figure find the value of x and y
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Answer:
x = 30 and y= 30
Step-by-step explanation:
x is 30 because it is alternate interie angle and y as well
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Theorems
Exterior angle =sum of opposite interior angles.—1
Sum of all angles of a Δ is 180° .—2
So,
<CBA=30°+50°(Using—1)
<CBA=80°
<CBA+x= 180° (linear pair)
80°+x=180°
x=180°-80°
x=100°
y=x+55° (using—2)
y=100+55°
y=155°
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