Area Problems
In a circle of radius 21 cm an arc subtends an angle of 72° at the centre. The length of the arc is?

13.2 cm
19.8 cm
26.4 cm
21.6 cm

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Area Problems
Area of rectangular field is 3584 m 2 and the length and the breadth are in the ratio 7 : 2, respectively. What is the perimeter of the rectangle?

288 m
292 m
286 m
246 m

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Area Problems
A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?

5.82 m
3 m
None of these
2.91 m

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