Respuesta :

As it is a parallelogram, we know the following:

Thus, in our case, MO is congruent to OK, meaning that:

[tex]OK=MO[/tex]

Substituting the values given:

[tex]x-1=12[/tex]

Solving for x:

[tex]x=12+1[/tex]

Answer: x = 13

Ver imagen BrylenH140303