, AB=AC and D is any point on BC produced. show that AD>AB
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Step-by-step explanation:
AB = AC
angle abc=angle acb(angles opposite to equal sides of a triangles are equal)
angle ABC is exterior angle for triangle abd
angle abc> angle adb
angle acb>angle adb
=>angle acd >angle adc
ad>ac (side opposite to larger angle in triangle adc
ad>ab(ab=ac, given)
hence proved
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