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Question
In the figure AB is parallel to CD. Find x, y and z
Solution
Given AB || CD
∴ Z = 42° ...[∵ Alternate interior angles]
Also y = 42° ...[vertically opposite angles]
Also x° + 63° + z° = 180°
x° + 63° + 42° = 180°
x° + 105° = 180°
x° + 105° – 105° = 180° – 105°
x° = 75°
∴ x = 75°, y = 42°, z = 42°
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