|March 5th, 2017, 07:06 AM||#1|
Joined: Dec 2016
Joe wants to keep together six tubes of 2 cm
Diameter through an elastic band. He considered the two possibilities shown in the figures:
Which of the following statements about the length of the elastic band is true?
A The one on the left is π cm shorter. B The one on the left is 4 cm shorter. C The one on the right is π cm shorter. D The one on the right is 4 cm shorter. E both have the same length.
I know that both have the same length, but I don't know how to calculate the length of the bands. How is it calculated?
Last edited by skipjack; March 5th, 2017 at 09:40 AM.
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