Chapter 3 Pythagorean Relationship
Paper Roll
A cardboard cylinder has a circumference of 12 cm and a length of 20 cm. Ranjeet started at the top of the roll and drew a line all the way around the roll. He completed four turns before reaching the bottom, as shown in the picture. How long was the line that Ranjeet drew?
![](/sites/dl/free/0070973385/505858/image006.jpg) (5.0K)
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Note: Brain teasers are often open to more than one interpretation, and multiple answers may be possible. Sample solutions are shown. |