Distance and Midpoint

Question

For E( 9, -2 ) & G(10, -1 ) find EG.

Answer 1

EG = sqr2 = about 1.414

EG = sqr((10-9)^2 + (-1+2)^2) = sqr(1^2 +1^2) = sqr(1+1) = sqr2

midpoint is the average of the coordinates: M(9.5, -1.5)