What is the distance between $(8, 2)$ and $(-6,7)$ ?

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Answer 1 · 2018-03-26T11:19:28

$"The distance is " sqrt 221 " units"$ .

distance between $A(x_1, y_1) and (x_2, y_2)$ on xy plane:

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

$d = sqrt ((8 - (-6))^2 + (2 - 7)^2)$

$d = sqrt 221$

What is the distance between (8, 2) (8, 2) and (-6,7) (-6,7) ?