From the points given we know that the rectangle is 3 points wide and 2 points tall. If we rotate it

around the x axis then we will receive the lying cyllinder which will be 3 points tall and 2 points wide (so its radius is 2/2 = 1 point). Now we can find the surface area of the cyllinder using appropriate formula:
Answer:
I can't see clearly
Step-by-step explanation:
20n-n-11n =16
20n-12n=16
8n=16
n= 16/8
n=2
what in the hell grade are u in
Answer: 1943.9 is the answer