1.4 x 10^2/ 2 x 10^3 written in exponential notation

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.

Whose conclusion is correct? choose all that apply. (two max) elijah emily edward esme

How do i do this activity, is appreciated