The area of the shaded sector is one-fourth of the area of the whole circle so:

area of shaded region

The area of the shaded region is 9pi units^2
Answer:
4
Step-by-step explanation:
36 pretzels divided by 9 people (Antonia + 8 friends) = 4 per person
36 / 9 = 4
The answer is B because A+B = your new set of numbers
It would be 78.5 because if you do the work for example here is work i did for a question on my quiz
Where "C" is circumference and "d" is diameter.
Substituting your values in, we have:
Which, when rounded, is 37.7.
thats my work but when you do your work for your question you get 78.58 and you would round to the nearset tenth and you get 78.5
Hope this helps:) please mark branliest would really apperciate it thx