Area Problems
The ratio of the radii of two circle is 1:3 the radio of their areas is?

1:6
1:3
1:9
None of these

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Area Problems
A man riding a bicycle, completes one lap of a circular field along its circumference at the speed of 14.4 km/h in 1 min 28 s. What is the area of the field?

8842 sq m
9856 sq m
Cannot be determined
7958 sq m

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