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# Write the Distance of the Point (3, −5, 12) from X-axis? - CBSE (Science) Class 12 - Mathematics

ConceptDirection Cosines and Direction Ratios of a Line

#### Question

Write the distance of the point (3, −5, 12) from X-axis?

#### Solution

$\text { The distance of a general point } \left( x, y, z \right) \text{ from x - axis is } \sqrt{y^2 + z^2} .$

$\therefore \text{ Distance of the point } \left( 3, - 5, 12 \right) \text{ from x - axis }= \sqrt{\left( - 5 \right)^2 + {12}^2}$

$= \sqrt{169}$

$= 13 \text{ units }$

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#### APPEARS IN

RD Sharma Solution for Mathematics for Class 12 by R D Sharma (Set of 2 Volume) (2018-19 Session) (2018 to Current)
Chapter 27: Direction Cosines and Direction Ratios
Ex.Very Short Answers | Q: 6 | Page no. 24

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Solution Write the Distance of the Point (3, −5, 12) from X-axis? Concept: Direction Cosines and Direction Ratios of a Line.
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