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Circular quadrants of unit radius are cut from the corners of a rectangle of length 10 m and width 2π meters. The area of the remaining portion is:

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Important Questions on Mensuration (Two Dimension)

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IMPORTANT
Area of the largest possible square inscribed in a circle of unit radius in square units is:
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A paper is in the form of a square of side 20 m. Semi-circles are drawn inside the square paper on two opposite sides as diameter. The semi-circular are cut off. The area of the remaining paper is:
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A wire is in the form of an equilateral triangle with area 5 m2. If it is changed into a circle, the radius will be:
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A circular disc of area 0.49π square meters rolls down a length of 1.76 km. The number of revolutions it makes is:
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The angle subtended by an arc of length 1229 cm at the center of a circle of radius 10 cm is:
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The rectangular plot is half as long again as it is broad. The area of the plot is 23 hectares. The length of the plot is:
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The rectangular carpet has an area of 120 sq.m and a perimeter of 46 m. The length of its diagonal is :
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IMPORTANT
The length of the rectangle is twice its width. If the length of its diagonal is 95 meters, the perimeter of the rectangle is: