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March 2, 2015

March 2, 2015

Posted by **Lakshmi** on Monday, June 20, 2011 at 12:47pm.

- geometry -
**Henry**, Tuesday, June 21, 2011 at 2:57pmThe line drawn from each vertex of a

triangle to the midpoint of the opposite side will intersect at the center of the triangle. The point of

intersection is called the Centroid.

A(0,0),B(8,0),C(Xc,Yc).

Xc = 2cos30 = 1.732.

Yc = 2sin30 = 1.

A(0,0),B(8,0),C(1.73,1).

Xo = (Xa + Xb + Xc) / 3,

Xo = (0 + 8 + 1.73) / 3 = 3.24.

Yo = (Ya + yB + Yc) / 3,

Yo = (0 + 0 + 1) / 3 = 1/3 = 0.3333.

Co-ordinates of the Centroid:

C(Xo,Yo),

C(3.24,0.333).

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