7- The diameter of a wheel of a bus is 112 cm. How many revolutions will it make to cover 7)
= 88 cm
(Use T
Em
1 km 56 metres?
The circumferences of two circles are in the ratio 1: 3. Find the ratio of their areas.
= 88 cm
(Use T
Em
1 km 56 metres?
The circumferences of two circles are in the ratio 1: 3. Find the ratio of their areas.
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