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**[Solved! Thanks Tim!] Need help with vectors question**

## Homework Statement

The line L has cartesian equations x-2 = (y-5)/2 = -z. Find the perpendicular distance from the origin to L.

Find also the acute angle between L and the z-axis.

## Homework Equations

## The Attempt at a Solution

Sorry, pretty much in a rush to finish this soon as I have been stuck at understanding this vectors chapter for a really long time. I hope someone will be able to help with it...I've tried but I really cannot figure it out alone.

I don't know what concepts I am missing out on but I am stuck.

Help will be much appreciated. I'm trying to learn and not just get answers. Rushing on revision as I don't have much time...planning to finish my math revision in 2 months.

All I know is the fact that if vectors

*a*and

*b*are perpendicular to each other their product of directional vectors will be zero, but that's all. And it is not helpful.

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