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The id points of the sides of a triangle...

The id points of the sides of a triangle ABC are given by `(-2,3,5),(4,-1,7)a n d\ (6,5,3)dot\ ` Find the coordinates of the angle `/_B A C` meets BC.

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`A(5,4,6), B(1.-1,3), and C(4,3,2) `are the vertices of triangle ABC Using distance formula
`AB=sqrt[(1-5)^2+(-1-4)^2+(3-6)^2]`
`=sqrt[16+25+9]`
`=5sqrt2` ...
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  11. Write the distance of the point P(2,3,5) from the xy-plane.

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  12. Write the distance of the point P(3,4,5) from z-axis.

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