1) Add the x coordinates together 2) Divide the sum of x coordinates by 2 3) Add the y coordinates together 4) Divide the sum of y coordinates by 2
1) Determine the change in y coordinates 2) Determine the change in x coordinates 3) Divide the change in y by the change in x
1) Determine the change in y coordinates 2) Square the change in y 3) Determine the change in x coordinates 4) Square the change in x 5) Add the squares of change in x and y 6) Take square root of sum of squares of changes in x and y