Question

The dimensions of a rectangular piece of paper are 22 cm × 14 cm.
It is rolled in two different ways to form a right circular cylinder of maximum possible surface areas.
(Case 1) It is rolled once across the breadth
(Case 2) It is rolled once across the length
Q 1. What is the height of the cylinder in case 1 ?
Q2. What is the radius of the cylinder in case 1 ?
Q3. What is the CSA of the cylinder formed in case 1 ?
Q4. What is the radius of the cylinder in case 2 ?
Q5. What is the TSA of the cylinder formed in case 1 (assuming it is closed later on) ?

Answer 1

Answer:

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