NCERT Example 3 - Triangles

Question: Line-segment AB is parallel to CD. O is the mid-point of AD. Show that (i) ∆AOB ≅ ∆DOC and (ii) O is the mid-point of BC.

Answer: (i) ∆AOB ≅ ∆DOC by AAS. (ii) OB = OC, so O is the mid-point of BC.

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

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