Question

AD is the bisector of angle A such that AD perpendicular to BC. ΔABC is :an isosceles triangle
An equilateral triangle
An obtuse angled triangle
None of these​

Answer 1

Answer:

In geometry, bisection is the division of something into two equal or congruent parts, usually by a line, which is then called a bisector. The most often considered types of bisectors are the segment bisector and the angle bisector.

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