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Mathematics 13 Online
OpenStudy (anonymous):

How long is the minute hand on a clock whose tip travels 15 cm from 1:15 to 1:30 to the nearest tenth?

OpenStudy (akashdeepdeb):

Arc length = 15cm Arc angle = 90' or pi/2 We have to find RADIUS. Provided YOU CLOCK is CIRCULAR. :D |dw:1382035842432:dw| UNDERSTOOD? :)

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