In a tetrahedron ABCD is A=(1,-2,5) andthe centroid of the triangle BCD is(3, 2, -4) then the centroid of thetetrahedron is1) (7/3, 2/3,-1) 2) (5/4, 1/2, -7/4)3) (5/2, 1, -774) 4) (5, 2, -7/2)

In a tetrahedron ABCD is A=(1,-2,5) andthe centroid of the triangle BC

1.	In a tetrahedron ABCD is A=(1,-2,5) andthe centroid of the triangle BCD is(3, 2, -4) then the centroid of thetetrahedron is1) (7/3, 2/3,-1) 2) (5/4, 1/2, -7/4)3) (5/2, 1, -774) 4) (5, 2, -7/2)
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In a tetrahedron ABCD is A=(1,-2,5) andthe centroid of the triangle BCD is(3, 2, -4) then the centroid of thetetrahedron is1) (7/3, 2/3,-1) 2) (5/4, 1/2, -7/4)3) (5/2, 1, -774) 4) (5, 2, -7/2)​

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In a tetrahedron ABCD is A=(1,-2,5) andthe centroid of the triangle BCD is(3, 2, -4) then the centroid of thetetrahedron is1) (7/3, 2/3,-1) 2) (5/4, 1/2, -7/4)3) (5/2, 1, -774) 4) (5, 2, -7/2)