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The perimeter of a sector of a circle of...

The perimeter of a sector of a circle of radius 5.8 m is 27.2 m. Find the area of the sector.

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MBD-Areas of Plane Figures.-Exercise
  1. The radius of a semi-circular protactor is 14 cm. Find its perimeter a...

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  2. The circumference of a circle is 88 cm. Find the area of the sector, w...

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  3. The perimeter of a sector of a circle of radius 5.8 m is 27.2 m. Find ...

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  4. A chord of a circle of radius 21 cm subtends an angle of 120^@ at the ...

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  5. Find the radius of the circle if length of the arc is 4pi cm and angle...

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  6. A square is made inside the circle. Find the area of that portion of t...

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  7. In the fig. fourth quadrant of a circle is OACB where O is the centre ...

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  8. The length of minute hand clock is 10 cm. Find the area made by minute...

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  9. Two concentric circles have radii 20 cm and 15 cm. Find the area of ri...

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  10. Area of an equilateral triangle is 17300 cm^2. By taking each vertex o...

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  11. Find the perimeter of the circle whose area is 6.16 cm^2.

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  12. Find the area of the circle whose perimeter is equal to the perimeter ...

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  13. When a wire is bent into a square then it covers the area of 121 cm^2....

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  14. A piece of paper is in the form of rectangle ABCD in which AB=18cm,BC=...

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  15. The area covered by two concentric circles is 770 cm^2. The outer radi...

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  16. ABCD is a square of side 4 cm. With every comer as the centre, quadran...

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  17. In the figure, the shaded portion shows the area cleaned by the wiper ...

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  18. A horse is thetered to graze the grass at one comer of a rectangular p...

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  19. There are 64 equal squares in the chess board and every Square has are...

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  20. A horse is thethered to one corner of a rectangular field of dimension...

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