Do you mean 3.14 for pi or just 3?
Answer:
Ok, the solution to the first one. See below.
Step-by-step explanation:
See attachment below.
Best Regards!
The circumference of a circle of radius is
So, in your case, the circumference is
The circumference is actually the length of the "perimeter", so the answer to questions 1 and 2 looks the same actually
I hope this helps you
Volume of cone =1/3.pi.r^2.h
Volume of cone =1/3.3,14.6^2.9
Volume of cone =339.12