Answer: 15
Step-by-step explanation: This is one of those square roots you'll memorize really quickly. You don't even have to simplify it, since it's an integer.
Answer:
a hollow cylinder
Step-by-step explanation:
the answer is a hollow cylinder
since the revolution only takes care of the curved surface area
100 unit is 1000 sorry I don’t know the answer bro I just want the points haha