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Solution 4.1:9
From Förberedande kurs i matematik 1
Revision as of 12:30, 27 September 2008 by Ian (Talk | contribs)
10
seconds corresponds to
61
minutes, so that during that time period, the second hand sweeps over
61
of a turn, i.e. the sector of a circle with angle
=61
2
8 cm
2=332
33
5 cm2 