The distance of the point (15,8,13) from the z-axis is ___. Options: A . &nbsp 13 units B . &nbsp 15 units C . &nbsp 17 units D . &nbsp 23 units

Answer: Option C : C The distance of a point P(x,y,z) from the z-axis is d = √ x 2 + y 2 = √ 15 2 + 8 2 = √ 225 + 64 = √ 289 = 17 u n i t s

The distance of the point (15,8,13) from the z-axis is __

Question

The distance of the point (15,8,13) from the z-axis is ___.

Options:

A . 13 units

B . 15 units

C . 17 units

D . 23 units

Answer: Option C
:
C

The distance of a point P(x,y,z) from the z-axis is
$d = \sqrt{x^{2} + y^{2}} = \sqrt{15^{2} + 8^{2}} = \sqrt{225 + 64} = \sqrt{289} = 17 u n i t s$

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