ABCD is an Quadrilateral in which DM and BN are perpendiculars an diagonal AC and DM = BN. Prove that AC bisect BD
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GivenABCD is a quadrilateral in which diagonals AC and BD intersect each other at P
Also,DN⊥AC and BM⊥AC
DN=BM
In △DNP and △BMP we have
∠DPN=∠BPM since they are vertically opposite angles.
∠DNP=∠BMP since each are equal to 90
∘
DN=BM(given)
⇒△DNP≅△BMP by AAS postulate.
⇒DP=BP=8cms by CPCT
We have BD=BP+DP=8+8=16cms from the diagram.
This means O is mid point of BD.
Hence prove
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