Mensurationhard · Past Paper
If radius of a cylinder is doubled and height is halved, the TSA:
AIncreases
BDecreases
CRemains same
DDepends on initial values
✓ Correct Answer: D — Depends on initial values
New TSA = 2π(2r)(2r + h/2). Old TSA = 2πr(r+h). The change depends on the values of r and h relative to each other.
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