A solid cylinder has total surface area of 462 cm2 . Its CSA is one-third of its total surface area. Find the volume of the cylinder.
(Take = 22 upon 7 )
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Answer:
Step-by-step explanation:
TOTAL SURFACE AREA OF THE CYLINDER(TSA)=462CM²
CURVED SURFACE=1/3 OF TSA
=1/3 X 462
=154CM²
AREA OF EACH CIRCLE=(462-154)/2
=154CM²
PI*R²=154
R²=49
R=7
2PI*R*H=154
H=154*7/22*7
H=3.5
VOLUME=PI*R²*H=22/7*49*35/10
VOLUME=539CM³
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