What is the distance between $(3, 9)$ and $(9,1)$ ?

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Answer 1 · 2018-04-14T05:21:18

10 units

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

$sqrt((3-9)^2+(9-1)^2)$

$sqrt((-6)^2+(8)^2)$

$sqrt(36+64)$

$sqrt(100)=pm10$

Since distance is a positive figure, our distance is 10 units.

What is the distance between (3, 9) (3, 9) and (9,1)(9,1)?