find the value of x if
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Answer:
x = 90°
Step-by-step explanation:
Since it is a parallelogram hence AC||DC
By alternate angles
Angle ADC = Angle DAB
Angle ADC = x
x = 90°
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Answer:
value of x is 30
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Step-by-step explanation:
we are given that :-
AB||CD
∠ABO=80
∠CDO=30
Now,
∠z = ∠ABO = 80[∵∠ABO and ∠z are alternate interior angles]
∠COD = 180 - (∠z + ∠CDO) [∵ angle sum property of triangle]
= 180 - (80 + 30)
= 180 - 110
= 70
∠y = ∠COD = 70 [∵ vertically opposite angles]
= 70
∠x = 180 - (∠y + ∠ABO) [∵ angle sum property of triangle]
= 180 - (70 + 80)
= 180 - 150
= 30