Question

Use the information given in the adjoining figure to prove that

Answer 1

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Answer 2

since AC=BC, triangle ACB is an isosceles triangle so angle CAB=angle CBA=40°
now angle ACB =180-(40+40)=180-80=100
angle ACD =180-100=80
angle ADC =DAC=50
i) using inequality in triangle ABC ,AB>BC
ii) using inequality in triangle ADC ,AD>AC.


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