Question

Find the distance between points a(2,3) and b ( 4,1).

Answer 1

Answer:

$distance = \sqrt{ {(4 - 2)}^{2} + {(1 - 3)}^{2} } = \sqrt{ {2}^{2} + {2}^{2} } \\ \\ = \sqrt{4 + 4} = \sqrt{8} = 2 \sqrt{2}$