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ABCD is a parallelogram where A =(-1,2,1) B =(2,0,-1) & D=(3,1,4). Find the coordinates of C?

ABCD is a parallelogram where A =(-1,2,1) B =(2,0,-1) & D=(3,1,4). Find the coordinates of C?

Posted in Geometry, asked by JY, 6 years ago. 2196 hits.

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Let the co-ordinates be C(x, y, z),

Since diagonal of parallelogram bisect each other,

mid point of AC=mid point of BD.

((-1+x)/2,(2+y)/2, (1+z)/2)=((2+3)/2, (0+1)/2, (-1+4)/2)

On equating

(x, y, z)=(4, -1, 2)

Which is the required co-ordinate,

Adesh Kumar
Adesh Kumar - 6 years ago
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