7. In the given figure, I and m are←>A<--D→1two parallel tangents – InterviewSolution

1.	7. In the given figure, I and m are←>A<--D→1two parallel tangents to a circlewith centre O, touching thecircle at A and B respectively.Another tangent at C intersectsLXthe line I at D and m at E. Provethat <DOE = 90°.> m[Delhi 2013] (4)
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