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Question

The distance of $(1, 2, 5)$ from $x$ - axis is
$\sqrt{5}$
$\sqrt{29}$
$\sqrt{26}$
$\sqrt{30}$

A

\sqrt{5}

B

\sqrt{29}

C

\sqrt{26}

D

\sqrt{30}

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Solution

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Given point $(1, 2, 5)$
Distance of $D$ from x-axis is $\sqrt{{(1 - 1)}^{2} + {(2 - 0)}^{2} + {(5 - 0)}^{2}} = \sqrt{29}$

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