Using a similarity criterion for two triangles, show that Report Question In ΔDOC and ΔBOA, ∠CDO = ∠ABO (Alternate interior angles as AB || CD) ∠DCO = ∠BAO (Alternate interior angles as AB || CD) ∠DOC = ∠BOA (Vertically opposite angles) Therefore, (Corresponding sides are proportional) solved 5 wordpress 4 mins ago 5 Answer 70 views +22
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