In two or more complete sentences, describe a system of equations in which subtraction would be the most efficient way of solving the system.

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.

Can (3,5 and square root 34) be sides on a right triangle?

How do i do this activity, is appreciated