1.

The diameter of a wheel of a cycle is 70 cm. Find out the distance covered by it after200 revolutions.in tho ratio of their circumferences?

Answer»

Diameter of the wheel =70 cmRadius = d/2=70/2=35 cmFor 1 revolution the wheel moves = circumference of the wheel= 2*pi*r=2*22/7*35

=2*22*5=220cmFor 200 revolutions it moves =200×220=44000 cm



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