Question

How to distinguish between an acute and obtuse angled bisector?

Answer 1

It is very simple to determine whether the bisector is an acute angle bisector or an obtuse angle bisector. Compute the angle between the the initial line and one of the bisectors. Suppose that angle is θ. Then find tangent of this angle θ.
* In case |tan θ| < 1, then we have 2θ < 90° and so this represents the acute angle bisector.* On the other hand, if |tan θ| > 1, then this represents the obtuse angle bisector.

Answer 2

for acute angle...if angle is less than 90° then it is acute angle.
for obtuse Angle ....if it is more than 90° then it is obtuse angle.
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hope it may help you......✌✌#MB