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

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

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Answer 1 · 2016-05-06T08:34:56

$\sqrt{2}$ $sqrt(2)$

Explanation:

Distance between (x1, y1) and (x2, y2) is given by:
$D = \sqrt{{(x 2 - x 1)}^{2} + {(y 2 - y 1)}^{2}}$ $D = sqrt((x2-x1)^2+(y2-y1)^2)$
Then,
$D = \sqrt{{(2 - 1)}^{2} + {(5 - 6)}^{2}}$ $D = sqrt((2-1)^2+(5-6)^2$
$= \sqrt{1^{2} + {(- 1)}^{2}}$ $= sqrt(1^2+(-1)^2)$
$= \sqrt{2}$ $= sqrt(2)$

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

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