Question 130
If angle bisector of a triangle bisect the opposite side, then what type of triangle is it ?
Solution
Given : $$\angle$$BAD = $$\angle$$DAC and BD = DC
Solution : The angle bisector theorem states that :
=> $$\frac{AB}{BD} = \frac{AC}{DC}$$
$$\because$$ BD = DC
=> AB = AC
=> $$\triangle$$ABC is isosceles triangle.
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