The Value of X is 10.
KhanAcademy.org has some great explanation videos on their website and they have a YouTube channel.
Here is an explanation for the answer.
Answer:
2
Step-by-step explanation:
Answer:
the simplest form of the given expression is 
Step-by-step explanation:
Given;

The above expression can be simplified as follows;

Therefore, the simplest form of the given expression is 
I’m pretty sure it’s 75.65%
To find the perimeter<span> of a polygon, take the sum of the length of each side. The formula for </span>perimeter<span> of a triangle would be the sum of the three side lengths (a +b+c). In the case, where it is a regular polygon, the perimeter would be 3 times the side length. Hope this answers the question.</span>