Question

Did i answer right? if not, help?

Answer 1

the opposite side to an angle, is the side that's FACING OFF that angle, that is

Answer 2

hmm actually that's not what you're being asked

Answer 3

\(\large \begin{array}{ccllll}
column\ A&column\ B\\
\hline\\
90&\measuredangle C\implies 90^o
\end{array}\) so, yes, you're correct