What is the distance between #(8, 2) # and # (1,-6) #?

Question

1410 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-02-19T11:45:46

distance #=sqrt(113#

#(8,2)= color(blue)(x_1,y_1#

#(1,-6)=color(blue)(x_2,y_2#

The distance is calculated using formula :
#sqrt((x_2-x_1)^2+(y_2-y_1)^2#

#=sqrt((1-8)^2+(-6-2)^2#

#=sqrt((-7)^2+(-8)^2#

#=sqrt(49+64#

#=sqrt(113#