What is the distance between $(1, 5)$ $(1,5)$ and $(4, 2)$ $(4,2)$ ?

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Answer 1 · 2016-01-10T11:53:32

$\sqrt{18} = 3 \sqrt{2}$ $sqrt(18) = 3sqrt2$

The best way to do this is to draw diagram on axes and use Pythagoras.

Distance = $\sqrt{{(4 - 1)}^{2} + {(2 - 5)}^{2}} = \sqrt{9 + 9} = \sqrt{18}$ $sqrt((4-1)^2+(2-5)^2) = sqrt(9+9) = sqrt18$

What is the distance between (1,5)(1,5) and (4,2)(4,2)?