Answer:
he made the error in step 2
Step-by-step explanation:
C.supplementary is the right one
Answer:
12-x*3
Step-by-step explanation:
<h2>
Explanation:</h2><h2>
</h2>
The diagram is missing but I'll assume that the arc BDC is:
And another arc, let's call it FGH. measures:
If those arc are equal, then this equation is true:
Substituting k into the first equation: