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he following is not35. In the given figure, if AB = AC then which of the followitrue ?(a) ABEA = ACFA(c) ADBC is equilateral(b) ADBC is isosceles(d) NOTA |
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Answer» yes it is true it is an equilateral triangle ∆ DBC is not a equilateral because angle FDC=180° angleFDB+BDC=180 20+x =180 x=180-20 x=160° in equilateral triangle each angle should be 60° hence it is not equilateral ∆ DBC is not a equilateral and the angle of FDC is 180 |
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