Question

Find the distance between (2; 7) and (-7; 19).

Answer 1

when u have \(P(x_0,y_0)\) and \(Q(x_1,y_1)\) the distance between P and Q is
\[ \large d(P,Q)=\sqrt{(x_0-x_1)^2+(y_0-y_1)^2} \]