The regular Pentagon and try and will have the same parameters.

Write a simple phone equation to find value in the X. Pentagon has sides that are 12x each. Triangle has side lengths of : x + 7, x + 10, 6x + 9

Is there a question in all those murky goings-on? What does

The regular Pentagon and try and will have the same parameters.

even mean?

and what is a phone equation? Maybe you should try typing your questions instead of dictating them.