What is the distance between $(-3,9,1)$ and $(2,-5,-6)$ ?

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Answer 1 · 2017-10-01T20:40:42

$sqrt 270$

The formula for distance in three dimensions is:

$sqrt ((z_2 - z_1)^2 + (y_2 - y_1)^2 + (x_2 - x_1)^2)$

So, for your example: $sqrt((-6 -1)^2 + (-5-9)^2 + (2-(-3))^2)$

Which is equal to $sqrt (49+196+25)$

$= sqrt 270$

$~~ 16.43$

What is the distance between (-3,9,1)(-3,9,1) and (2,-5,-6)(2,-5,-6)?