What is the distance between P(12, 4) and Q(-8, 2)?

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Answer 1 · 2016-06-05T17:41:37

It is #20.1#.

The distance of two points of coordinates #(x_1, y_1)# and #(x_2, y_2)# is

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

in our case

#d=sqrt((12-(-8))^2+(4-2)^2)#

#d=sqrt(20^2+2^2)#

#d=sqrt(404)#

#d\approx20.1#.