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0. In an isosceles-trapezium, show that theopposite angles are supplementary |
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Answer» Prove that the OPPOSITE angles of an ISOSCELES TRAPEZIUM are supplementary. To prove: Opposite angles of ABCD are supplementary. AB || DC (Given) AD || BE (By construction). | A quadrilateral is a parallelogram if its any PAIR of opposite sides are parallel and equal. |
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