If angle bisector of a triangle bisect the opposite side,

Home » Aptitude » Plane Geometry » Question

If angle bisector of a triangle bisect the opposite side, then what type of triangle is it ?

1. Right angled
2. Scalene
3. Similar
4. Isosceles

Correct Option: D

As per the given in question , we draw a figure of an isosceles triangle ABC

AB = AC
BD = DC
∠ADB = 90°
The triangle will be either isosceles or equilateral.