A solid cylinder has a total surface area of 231 sq. cm. It's curved surface area is ⅔ of the total surface area. Find the volume of the cylinder.
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Answer:
269.5
Step-by-step explanation:
t.s.a=231
c.s.a=2*231/3=154
∴area of base=77=2πr^2
∴r=3.5
volume=c.s.a*r/2=77*3.5
=269.5
The volume of the cylinder is 269.5 cm³ .