Please answer my question

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.

You can find the constant of proportionality by finding the ratio of

Write the pair of fractions as a pair of fractions with a common denominator