A circular wheel covers 1584cm in 24 revolutions. Find the circumference of the wheel as well as the radius.
How to do this?
2pie r =circumference.
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24 revolution covers = 1584 cm
1 revolution covers= 1584/24 cm =66 cm
circumference = 2pie×r
2×22/7×r = 66 cm
r= 66×7/22×2
r= 21/2 cm
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