Angle Bisectors

IMPORTANT

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, and Bisector of the Angle between Two Lines Containing a Given Point.

Important Questions on Angle Bisectors

EASY
IMPORTANT

Given vertices A(1, 1), B(4,-2) & C(5, 5) of a triangle, find the equation of the perpendicular dropped from C to the interior bisector of the angle A.

EASY
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The vertices of a triangle are A(1,7), B(-5,-1) and C(-1,2) . Then, the equation of the bisector of the ABC is

MEDIUM
IMPORTANT

If the pairs of straight lines x2-2pxy-y2=0 and x2-2qxy-y2=0 bisect the angles between each other, then which of the following is correct?

HARD
IMPORTANT

If Ax1,y1, Bx2,y2, Cx3,y3 are the vertices of the triangle then find the equation of angle bisector through A, where a,b,c units are the lengths of the sides opposite to the vertices A,B,C respectively.
 

HARD
IMPORTANT

The equation of the angle bisector of the acute angle between the lines 3x+7=4y and 12x+5y=2 is given by

HARD
IMPORTANT

If r1-m2+mp-q=0, then find the bisector of angle between the lines represented by the equation px2-2rxy+qy2=0, (where m is slope of line y=mx)

MEDIUM
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The locus of the point P which is equidistant from 3x+4y+5=0 and 9x+12y+7=0 is

EASY
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The equation of  bisector of the acute angle formed between the lines 4x-3y+7=0 and 3x-4y+14=0 has the equation is 

EASY
IMPORTANT

Equation of angle bisector between the lines 3x+4y-7=0 and 12x+5y+17=0 are

EASY
IMPORTANT

The equation of the bisector of the angle between the lines x+2y-11=0,  3x-6y-5=0 which contains the point ( 1,3 ) is

EASY
IMPORTANT

Equation of angle bisectors between x and y - axes are

EASY
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The equation of the line which bisects the obtuse angle between the lines x-2y+4=0 and 4x-3y+2=0 , is

EASY
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The equation of the bisector of the acute angle between the lines 3x-4y+7=0 and 12x+5y-2=0 is

EASY
IMPORTANT

The equation of the bisectors of the angles between the lines x=y are

EASY
IMPORTANT

Equation of angle bisectors between the lines 3x+4y-7=0 and 12x+5y+17=0 are

MEDIUM
IMPORTANT

The equation of the bisector of the angle between the lines x+2y-11=0, 3x-6y-5=0 which contains the point 1,-3 is

HARD
IMPORTANT

Equation of angle bisectors between x and y- axes are

MEDIUM
IMPORTANT

The equation of the line which bisects the obtuse angle between the lines x-2y+4=0 and 4x-3y+2=0,  is

HARD
IMPORTANT

The equation of the bisector of the acute angle between the lines 3x-4y+7=0 and 12x+5y-2=0 is

MEDIUM
IMPORTANT

The equation of the bisectors of the angles between the lines x=y are