What is the distance between #(6,-2)# and #(-9,13)#?

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Answer 1 · 2015-12-29T07:32:39

#15sqrt2#

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

#(x_1,y_1)rarr(6,-2)#

#(x_2,y_2)rarr(-9,13)#

Thus,

#d=sqrt((-9-6)^2+(13-(-2)^2)#

#d=sqrt((-15)^2+15^2)#

#d=sqrt(2*15^2)#

#d=15sqrt2#