Angle Bisectors
Angle Bisectors: Overview
This topic covers concepts such as Bisectors of the Angles between Two Lines, To Discriminate between Acute and Obtuse Angle Bisector, Equation of Bisector between Two Lines, Bisector of the Angle between Two Lines Containing a Given Point, etc.
Important Questions on Angle Bisectors
Given vertices of a triangle, find the equation of the perpendicular dropped from to the interior bisector of the angle

Equation of angle bisector between the lines and are

If are two intersecting straight lines, then show that the equations of the bisectors of the angles between the lines are:
and .

The internal and external bisectors of the angles between two lines and meet -axis and -axis at and respectively. Find the length of the line segment .

Find the equations of the internal bisectors of the angles of the triangle formed by the straight line and the axes of co-ordinates. Then verify that the internal bisectors of a triangle are concurrent

The vertices of a triangle are and Then, the equation of the bisector of the is

If the pairs of straight lines and bisect the angles between each other, then which of the following is correct?

Let and be three point. The equation of the bisector of the angle PQR is

A ray of light coming along the line gets reflected from the line and goes along the line then

If and represent two adjacent sides of a rhombus whose diagonals intersect at then sum of possible value of a is

If are the vertices of the triangle then find the equation of angle bisector through where units are the lengths of the sides opposite to the vertices respectively.

The incident ray is along the line and the reflected ray is along the line . Find the equation of mirrors.

Find the equation of the bisector of the obtuse angle between the lines and .

Find the area of the triangle formed by the straight line and angle bisectors of pair of lines :

The equation of the angle bisector of the acute angle between the lines and is given by

In a if and internal angle bisectors through and are and, Then the inradius of is :

If then find the bisector of angle between the lines represented by the equation (where is slope of line )

The point is symmetric to with respect to the bisector of the first quadrant. The distance between the points and is _____

The straight lines and has equation of the acute angle bisector as:

The coordinates of the points on the line which are equidistant from the lines and can be
