in the figure , lines AB and CD are parallel and p is any point between two lines. prove that angle DPB = x+y
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Step-by-step explanation:
Construction :- Draw LM||AB and CD
ABP = BPM = x ...(1)
(Alternate interior angles)
DPM = PDC = y ...(2)
(Alternate interior angles)
DPB = BPM + DPM
From (1) and (2), DPB = x + y
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