Respuesta :

Answer:

it is D I'm pretty sure but ask ZJH to

Answer:

B . [tex]d = \sqrt{x^2+y^2}[/tex]

Step-by-step explanation:

The original formula is

[tex]d = \sqrt{(x_2-x_1)^2 +(y_2-y_1)^2} \\\\x_2-x_1 =x\\y_2-y_1 =y\\\\So... \: ;\\d = \sqrt{x^2+y^2}[/tex]