1.

ΔABC and ΔDBC are two isosceles triangles on the same base BC and vertices A and D are on the same side of BC (see the given figure). If AD is extended to intersect BC at P, show that(i) ΔABD ≅ ΔACD(ii) ΔABP ≅ ΔACP(iii) AP bisects ∠A as well as ∠D.(iv) AP is the perpendicular bisector of BC.

Answer»

ΔABC and ΔDBC are two isosceles triangles on the same base BC and vertices A and D are on the same side of BC (see the given figure). If AD is extended to intersect BC at P, show that



(i) ΔABD ≅ ΔACD



(ii) ΔABP ≅ ΔACP



(iii) AP bisects ∠A as well as ∠D.



(iv) AP is the perpendicular bisector of BC.





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