SOLUTION: 50 circular plates each of radius 7 cm and thickness 0.5 cm are placed one above another to form a solid right circular cylinder. Find the total surface area and volume of the cyli

Algebra ->  Surface-area -> SOLUTION: 50 circular plates each of radius 7 cm and thickness 0.5 cm are placed one above another to form a solid right circular cylinder. Find the total surface area and volume of the cyli      Log On


   

Question 948168: 50 circular plates each of radius 7 cm and thickness 0.5 cm are placed one above another to form a solid right circular cylinder. Find the total surface area and volume of the cylinder so formed.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
50 plates 0.5 thick would form a length of 50%280.5%29=25 for the cylinder.
SA=2%28pi%2AR%5E2%29%2B2pi%2AR%2AL
SA=2%28pi%287%29%5E2%29%2B2pi%2A7%2A25
SA=98pi%2B350pi
SA=448picm%5E2
and
V=pi%2AR%5E2%2AL
V=pi%2A7%5E2%2A25
V=1225picm%5E3