MCQ
The distance between the points (5, 1) and (2, 5) is:
Explanation
d = sqrt((2-5)^2 + (5-1)^2) = sqrt(9 + 16) = sqrt(25) = 5.
d = sqrt((2-5)^2 + (5-1)^2) = sqrt(9 + 16) = sqrt(25) = 5.