HIW MANY TIMES A WHEEL OF RADIUS 21 CM MUST ROTATE TO GO 924M (TAKE π 22/7)
AND ANSWER IS 700 ROUND
PLEASE TELL THE RIGHT ANSWER
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Answer:
total length = 924
one rotation = circumference
= 2pi*r
= 2*3.14*21
= 131.8
no.of rotation =(92400 )/131.8
=701
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HIW MANY TIMES A WHEEL OF RADIUS 21 CM MUST ROTATE TO GO 924M (TAKE π 22/7)
AND ANSWER IS 700 ROUND
PLEASE TELL THE RIGHT ANSWER
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