Three Dimensional Geometry Question 149

Question: The distance of the point (4, 3, 5) from the y-axis is

[MP PET 2003]

Options:

A) $ \sqrt{34} $

B) 5

C) $ \sqrt{41} $

D) $ \sqrt{15} $

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Answer:

Correct Answer: C

Solution:

Distance from y-axis is $ \sqrt{x^{2}+z^{2}} $ = $ \sqrt{4^{2}+5^{2}} $ = $ \sqrt{16+25} $ = $ \sqrt{41} $ .