Centroid of a Triangle

IMPORTANT

Centroid of a Triangle: Overview

This topic covers concepts such as Coordinates of Centroid in Triangle and Property of Centroid.

Important Questions on Centroid of a Triangle

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IMPORTANT

Let (α,β) be the centroid of the triangle formed by the lines 15x-y=82, 6x-5y=-4 and 9x+4y=17. Then α+2β and 2α-β are the roots of the equation

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The centroid of the triangle formed by the lines x-3y+3=0,x+3y+3=0,x+y-1=0 is

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Centroid of a triangle divides its median in the ratio

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The centroid of the triangle whose vertices are (0, 0), (4, 0) and (0, 3).

MEDIUM
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Two vertices of a triangle are -1,4 and 5,2. If the centroid is 0,-3 find the third vertex 

MEDIUM
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In ABC, medians AD¯ and CE¯ intersect at P, PE=1.5, PD=2 and DE=2.5. What is the area of 2AEDC?

Question Image

HARD
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If G is the centroid of a ABC and P is any other point in the plane, then PA2+PB2+PC2 is equal to

MEDIUM
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Let ABC be an acute angled triangle and AD,BE and CF are its median, where E and F are the points 3,4 and 1,2 respectively and centroid of  ABC is G3,2, then the equation of the side AB is

EASY
IMPORTANT

Let ABC be an acute angled triangle and AD,BE and CF are its median, where E and F are the points 3,4 and 1,2 respectively and centroid of  ABC is G3,2, then the co-ordinates of D are

EASY
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If the vertices of a triangle are given by Aα, 1α, Bβ, 1β and Cγ, 1 γ; where α, β, γ are the roots of the cubic equation  x3-7x2+11x-3=0. Then the coordinates of the centroid of the triangle ABC is _____

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If the centroid and circumcenter of a triangle are 3,36,2, respectively, then the orthocentre of the triangle is _____.

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Which of the following options is only correct combination?

MEDIUM
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Equation of the locus of the centroid of the triangle whose vertices are acosk, asink, bsink,-bcosk and 1, 0, where k is a parameter, is

EASY
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If A(4, -3), B(3, -2) and C(2, 8) are the vertices of a triangle, then its centroid will be

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If the coordinates of the centroid of a triangle are(1, 3) and two of its vertices are(-7, 6) and (8, 5), then the third vertex of the triangle is

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The vertices of a triangle are 6, 0, 0, 6 and 6, 6 , the distance between its circumcentre and centroid is

EASY
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The mid-points of sides AB,BC,CA of a ΔABC are 6,-1, - 4,-3, 2,- 5 respectively, then centroid of ΔABC is

MEDIUM
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If the middle points of the sides of a triangle be -2, 3, 4, -3 and 4, 5 , then the centroid of the triangle is -

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If the vertices of a triangle be a, 1, b, 3 and 4, c , then the centroid of the triangle will lie on x -axis, if -

EASY
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Two vertices of a triangle are 5, 4 and -2, 4 . If its centroid is 5, 6 then the third vertex has the coordinates -