Area Problems
The cross section of a canal is a trapezium in shape . If the canal is a trapezium in shape. If the canal is 10 meters wide at the top and 6 meters wide at bottom and the area of cross section is 640 sq. meters The depth of canal is?

80 meters
384 meters
40 meters
160 meters

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Area Problems
A parallelogram has sides 60 m and 40 m and one of the diagonal is 80 m long. Then its area is?

450 ? 15 sq. m
480 sq. m
320 sq. m
600? 15 sq. m

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Area Problems
The radius of a circle is increased so that its circumference increase by 5%. The area of the circle will increase by?

10.25 %
10 %
10.5 %
8.75 %

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