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5. Understanding Quadrilaterals and Practical Geometry
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Q35 of 160 Page 144

In the given figure, ABCD and BCDE are parallelograms with common base DC. If BC BD, then ∠BEC=

∠ BAC = 300 (Given)


∠ ABC = 1500(Supplementary angles)


∠ ABD = 1500-900 = 600


∠ BDC = 600(Co interior angles)


∠ BEC = 600(Opposite angles)

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Questions · 160
5. Understanding Quadrilaterals and Practical Geometry
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