Determine if \sqrt{36} 36 is rational or irrational and give a reason for your answer.

One unique triangle, because those angles add up to 180, and that's how many degrees there are in one triangle.

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,