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Question
In the given figure, the directed lines are parallel to each other. Find the unknown angles.
Solution
∵ Lines are parallel
∴ x + 110° = 180° .......(co-interior angles)
x = 180°− 110° = 70°
and x + y = 180° ..........(co-interior angles)
⇒ 70° + y = 180°
⇒ y = 180°− 70° = 110°
z = y ...........(corresponding angles)
∴ z = 110°
Hence x = 70°, y = 110°, z = 110°
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