How do you find the distance between the points (3, 3/7), (4,-2/7)?

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Answer 1 · 2017-07-08T14:24:52

#sqrt(74)/7#

Use Pythagoras on the x and y coordinates:

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

Substituting in the x and y values in the question:

#AB=sqrt((-(2)/7-3/7)^2+(4-3)^2#

#AB=sqrt(25/49+1)#

#AB=sqrt(74/49)#

#AB=sqrt(74)/7#