Respuesta :

Answer:

A

Step-by-step explanation:

The distance formula is [tex]\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]. Use the points (1,2) and (7,10) to substitute into the x and y values.

[tex]x_1 = 1\\y_1 =2\\x_2=7\\y_2=10[/tex]

[tex]\sqrt{(x_2-x_1)^2+(y_2-y_1)^2} \\\sqrt{(7-1)^2+(10-2)^2}[/tex]

The solution is [tex]\sqrt{(7-1)^2+(10-2)^2}[/tex] or A.

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