Question

1.- Calcula la distancia entre los puntos: P (7; 9) y Q (4; 5) a) 2 b) 3 c) 4 d) 5 e) 9

Answer 1

Explicación:

${d}^{2} = (7 - 4) ^{2} + (9 - 5) ^{2} \\ {d }^{2} = {3}^{2} + {4}^{2} \\ {d}^{2} = 9 + 16 \\ {d}^{2} = 25 \\ {d} = \sqrt{25} \\ d = 5$