Write the distance of a point P(a,b,c) from X-axis.

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Solution

Given point is $P (a, b, c)$ .
Let the coordinates of point on X-axis be $(a, 0, 0)$ .
Therefore,
Required distance = $\sqrt{(a - a)^{2} + (0 - b)^{2} + (0 - c)^{2}}$
$= \sqrt{b^{2} + c^{2}}$

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Write the distance of a point P(a,b,c) from X-axis.

Given point is P(a,b,c).Let the coordinates of point on X-axis be (a,0,0).Therefore,Required distance = √(a−a)2+(0−b)2+(0−c)2=√b2+c2

Given point is $P (a, b, c)$ .
Let the coordinates of point on X-axis be $(a, 0, 0)$ .
Therefore,
Required distance = $\sqrt{(a - a)^{2} + (0 - b)^{2} + (0 - c)^{2}}$
$= \sqrt{b^{2} + c^{2}}$