Question

(Instituto Machado de Assis – 2018) Das afirmativas, qual indica a distância entre os pontos A e B, sendo as coordenadas de A (2, 5) e as coordenadas de B (7, 5)? *

a) 9 cm

b) 10 cm

c) 25 cm

d) 5 cm

me ajudeeeem​

Answer 1

Resposta:

Letra D

Explicação passo-a-passo:

$d^2=(x_B-x_A)^2+(y_B-y_A)^2\\\\d^2=(7-2)^2+(5-5)^2\\\\d^2=5^2+0^2\\\\d^2=25\\\\d =\sqrt{25} \\\\d=5$