Question

If a rectangular sheet of paper of size 14 cm $\times$ 8 cm is rolled to form a cylinder then which of the following are true?

• A. Radius of cylinder will be 14 cm and height will be 8 cm.
• B. Radius of cylinder will be 8 cm and height will be 14 cm.
• C. If circumference of base will be 14 cm then height will be 8 cm.
• D. If circumference of base is 8 cm then its height will be 14 cm.

Answer 1

Answer: (C), (D)

If circumference of base will be 14 cm then height will be 8 cm.
If circumference of base is 8 cm then its height will be 14 cm.

R.E.F image

Folded along breadth $2\pi r=8$

R.E.F image

$2\pi r=14$

folded along length