Find the distance between points P(8 2) and Q(3 8) to the nearest tenth.?

P( 8,2) & Q( 3,8)

Apply Pythagoras.

d^2 = (8 - 3)^2 + ( 2 - 8)^2

d^2 = 5^2 + (-6)^2

d^2 = 25 + 36

d^2 = 61

d = sqrt(61) ~ 7.81 (2 d.p.