Q. 135.0( 1 Vote )

# Write the distanc

Answer :

Given point P(x,y,z)

From the figure, we can say that Point E (x,y,0) is the projection of Point P on the XY-plane ( the z-coordinate remains zero on XY-plane).

__Distance between two points is given by__

Here the distance between Point P & E will give the distance of the point P from the XY-plane.

Here a_{1} = x, b_{1} =y , c_{1} =z

a_{2} = x, b_{2} = y, c_{2} = 0

Distance from P to E =

= √ (-z)^{2}

= √ (z)^{2}

= z

Therefore, the distance between the XY plane and point P is z units.

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