Answer: The government is a group or type of organization that is charged of a certain state. Since countries have many wide territories, they need to be split and looked after. This is why there is governments. Each different government takes care of each state a country occupies. You can't just have the President rule over the whole country, that's why we have governments to help out.
Get the two side lengths out of the total perimeter then subtract that then u have the length of the two other sides then divide that by two then multiply the two sides