Question

Find the distance between the points (4,3) and (11,4)

Answer 1

`d = \sqrt{(x_(2) - x_(1))^(2) + (y_(2) - y_(1))^(2)} \\d = \sqrt{(11 - 4)^(2) + (4 - 3)^(2)} \\d = \sqrt{(7)^(2) + (1)^(2)} \\d = √(49 + 1) \\d = √(50) \\d = √(25 * 2)} \\d = √(25)√(2) \\d = 5√(2)`