Answer:
it is 40pi
Step-by-step explanation:
pi r^2 and you have 144 degrees shaded which is 40% of the circle.
You find the total volume to be 100pi and you divide by .4 (40%) to get 40pi as your answer
Answer: -51 my friend
Step-by-step explanation:
Answer:
<h2>A) a - 1 and B) a + 2</h2>
Step-by-step explanation:

Answer:
80 glasses
Step-by-step explanation:
640/8 = 80
Answer: 80 glasses