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 KCSE Mathematics Paper 1 Revision Exercise Set 2

Starting from noon the minute hand of a clock moved so that the clock is showing 21 minutes past noon.
(a) Find the angle through which the minute hand has moved.
(b) Given that the minute hand is 8cm long, calculate the length of the arc it describes in that time.
#(Take pi =22/7)#

 (2m 15s)
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