Question

Calcule a distância entre os pontos A(-3,-2) e B(9.3).​

Answer 1

$\begin{array}{l}d^{2} =( \Delta y)^{2} +( \Delta x)^{2}\\\\d^{2} =( 3-( -2))^{2} +( 9-( -3))^{2}\\\\d^{2} =25+144\\\\\therefore \boxed{d=\sqrt{169} =13}\end{array}$