Q11 of 36 Page 253

Select a proper option (a), (b), (c) or (d) from given options and write in the box given on the right so that the statement becomes correct:

The length of minute hand of a clock is 15 cm. If the minute hand moves for 20 minutes on a circular dial of a clock, the area covered by it is …….. cm2. (= 3.14)


The angle moved by minute hand = 120o


length of minute hand (r) = 15 cm


Area of covered by minute hand =


=


=


= 235.619 cm2


= 235.5 cm2


So, option(a) is the correct answer.

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