what is total surface area of hollow cylinder
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2pie (R+r)(R-r+h) this is the TSA for hollow cylinder
Answered by
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The total surface area of a hollow cylinder is 2π ( r1 + r2 )( r2 - r1 +h)
Richap1:
why are we use capital Rand smaller r.
capital R and smaller r.
inner radius for r outer radius for R
We can also use r1 for bigger part and r2 for the smaller ones
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