Let AC and YZ intersect at Q then ∠QYC = ∠QWD = Q(say)
(As ∠ made by tangent at a point is same as ∠ made by chord through point in alternate segment)
=> AC, XZ and YW are concurrent similarly BD, XZ and YW are concurrent
Hence AC, BD, YW and XZ are concurrent
=> Q = P
Let Area of MNJ = [MNJ]