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Question
Consider the given parallelograms. Find the values of the unknowns x, y, z.
Solution
y = 112° (Opposite angles are equal)
x + y + 40° = 180° (Angle sum property of triangles)
x + 112° + 40° = 180°
x + 152° = 180°
x = 28°
z = x = 28° (Alternate interior angles)
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