Finding the distance between 2 points:

(-2, 8) and (7, 12)

(14, 1) and (20, 6)

(6, -4) and (3, 0)

(5, 13) and (-1, -5)

(-10, -7) and (-9, 8)

(-3, -5) and (-2, -4)

(-6, 2) and (-5, 1)

(-10, 7) and (2, -6)

(2, 9) and (3, -1)

(7, -4) and (-9, 5)

(-3, -6) and (4, 7)

(1, -10) and (5, -8)

(6, -9) and (-2, -3)

(5, 14) and (-1, 0)

(1,-8) and (2, 5)

(-4, -9) and (-1, -6)

(7, 4) and (1, 3)