Angle Bisectors

IMPORTANT

Angle Bisectors: Overview

This topic covers concepts, such as, Bisectors of the Angles between Two Lines, Equation of Bisector between Two Lines, To Discriminate between Acute and Obtuse Angle Bisector & Bisector of the Angle between Two Lines Containing a Given Point etc.

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.

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

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A light ray is incident to a line mirror "L' along the line 3 x-4 y+5=0 and is reflected along the line 5x- 12 y+19=0. The equation of line 'L' may be

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Cotyledons are also called-

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If O is the origin and the line OP of length r makes an angle α with x-axis and lies in the xz-plane, then the co-ordinates of P are-

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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 

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

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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

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Equation of angle bisectors between x and y - axes are

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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

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

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

EASY
IMPORTANT

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

MEDIUM
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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