Question

In triangle ABC AB = BC , ad perpendicular to BC prove that angle B = angle C congruent chapter

Answer 1

In triangle ADB and ADC,

Angle ADC=angle ADB=90*each
AB=BC(given)
AD=AD(Common)
Therefore, triangle ADC is congruent to triangle ADB

Therefore, angle ABD=angle ACD
i.e, angleB=angle D

Answer 2

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