What is the distance between #(43,-13)# and #(47,-17)#?

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Answer 1 · 2015-11-17T14:46:11

4#sqrt(2)#

If d is the distance between two points (43, -13) and (47, -17)

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

= #sqrt((47 -43)^2+(-17-(-13))^2)#

= #sqrt((4)^2+(-4)^2)#

= #sqrt(16+16)#

= #sqrt(32)#

= #sqrt(2X4^2)#

= 4#sqrt(2)#