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Question

In the figure above, straight lines AB and CD intersect at P, and AC || BD. Then ΔAPC and ΔBPD are similar.If true enter 1 else 0.


194748_c8cb47e1e1bc43ad841ac7de6abbb8ec.png

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Solution

In APC and BPD
APC=BPD (Vertically opposite angles)
PAC=PBD (Alternate angles of parallel lines AC and BD)
PCA=PDB (Third angle)
Thus, APCBPD (AAA rule)

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