Find X if AB||CD
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given:
line AB ll line CD
angle B = 65°
angle E = 30°
line BE is a transversal
angle ABD = angle CDE
reason - corresponding angles are same.
angle CDE = 65°
in triangle DEO,
angle CDE is a exterior angle.
therefore as we known that exterior angle is equal to the sum of its opposite interior angles.
angle CDE = angle E + angle O
65 ° = 30° + x
65° - 30° = X
x = 35°
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