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Question
A quadrilateral ABCD is a trapezium with AB || DC if ______.
Options
AB = BС
∠A + ∠D = 180°
∠A + ∠B = 180°
∠C + ∠D = 180°
MCQ
Fill in the Blanks
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Solution
A quadrilateral ABCD is a trapezium with AB || DC if ∠A + ∠D = 180°.
Explanation:
Since AB || DC, AD or any transversal makes co‑interior same‑side interior angles at A and D, which are supplementary their sum is 180°.
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