Math, asked by cooco4, 1 year ago

please answer these questions

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Answered by amisharaj

1

(3) In triangle DC and triangle BOA.

Angle CDO = angle ABO [alternate interior angles as AB || CD]

Angle DOC = angle ABO [alternate interior angles as AB ||CD]

Angle DOC = angle BOA [vertically opposite angles]

. : triangle DOC congute to triangle BOA [AAA similarity criterion]

. : DO/BO = OC/ OA [corresponding sides are proportional]

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