NCERT Example 1 - Triangles

Question: In Fig. 7.8, OA = OB and OC = OD. Show that (i) ∆AOD ≅ ∆BOC and (ii) AD ∥ BC.

Answer: (i) ∆AOD ≅ ∆BOC by SAS. (ii) AD ∥ BC because alternate angles ∠OAD and ∠OBC are equal.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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