Question

Find the distance between the points (0 , 0) and (36 , 15) .

Answer 1

$d=\sqrt{(x_1-x_2{)}^2+(y_1-y_2{)}^2}$

$d=\sqrt{(0-36{)}^2+(0-15{)}^2}$

$d=\sqrt{1296+225}$

$d=\sqrt{1521}$

$d=39$