What else could be the answer?Kilometres then??
Was the rest of the answers okThe only acute angle is E.
Let's back up a bit, here. You do NOT need anyone to confirm EVERY answer you provide. Have a little confidence. Answer correctly and move on. Let go of doubt because you studied sufficiently. You cannot have someone confirm your decisions and choices for the rest of your life; may aas well start now. You tell me if your answers are correct. Did you answer incorrectly on purpose?Was the rest of the answers ok