Plz Help!! Can someone explain how to solve this I have the answer but I can’t figure out the steps to do it the steps I’m doing are giving me the wrong answers.

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?