cylinder has radius R and height H if cylinder is cut 1 time horizontally then find TSA
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Answer:
Radius and height of both cylinders are same .
Now , total surface area of this shape
=(2πrh+πr
2
+πr
2
)+(2πrh+πr
2
+πr
2
)
=(4πrh+4πr
2
)
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