Question

obtener distancia entre los puntos:
A (1,2)
B (4,5)​

Answer 1

Respuesta:

${d}^{2} = {(x1 - x2)}^{2} + {(y1 - y2)}^{2} \\ {d}^{2} = {(1 - 4)}^{2} + {(2 - 5)}^{2} \\ {d}^{2} = {( - 3)}^{2} + {( - 3)}^{2} \\ {d}^{2} = 9 + 9 \\ d = \sqrt{18} = \sqrt{2 \times 3 \times 3} \\ d = 3 \sqrt{2}$