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In ∆ABC, altitude AD bisects BC, prove that ∆ADB ≅ ∆ADC. Write equal pairs of sides and angles of these two triangles.



In tri. ADB & ADC seg AD = seg AD …(Common Side) Side BD = side DC …(Altitude bisects side BC) tri. ADB = ADC is congruent …(By Hypotenuse side theorem) Side AB = Side AC …(c.s.c.t) Angle B = Angle C …(c.a.c.t)
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