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Olympiad-Math
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Class 9
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Surface Areas and Volumes
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Q)
A wooden article was made by scooping out a hemisphere from each ends of a solid cylinder. If the height of the cylinder is 20cm, and radius of the base is 3.5cm , find the total surface area of the article.
(
A
)
256
c
m
2
(
B
)
544
c
m
2
(
C
)
354
c
m
2
(
D
)
545
c
m
2
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