Answer:
Line BC
Step-by-step explanation:
Opposite means whatever is exactly parallel to angle a.
In this case, we notice BC to satisfy that rule.
Hope this helps.
Good Luck
Answer:
62°
Step-by-step explanation:
Since one arm making angle x is diameter. So, by inscribed angle theorem, we have:

I guess this how it would go
<span><span><span>(5)</span><span>(<span>−2</span>)</span></span>−<span><span>(2)</span><span>(<span>−3</span>)</span></span></span>
So your answer should be <span>−4</span>