Question

The distance (in units) between the points (1, 3), (5, 6) is _____.

___

Answer 1

Using the distance formula

d = $\sqrt{(x_2-x_1{)}^2+(y_2-y_1{)}^2}$ (here $x_1$ = 1, $x_2$ = 5,$y_1$ = 3,$y_2$ = 6)
we have, d = $\sqrt{(5-1{)}^2+(6-3{)}^2}$
= $\sqrt{(4{)}^2+(3{)}^2}$
= $\sqrt{25}$
= 5