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In Fig. 15.76, O is the centre of cir...

In Fig. 15.76, `O` is the centre of circle of radius 28 cm. Find the area of minor segment `A S B` . (FIGURE)

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  3. In Fig. 15.76, O is the centre of circle of radius 28 cm. Find the ...

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  6. In Fig. 15.80, an equilateral triangle A B C of side 6 cm has been ...

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  7. A circular field has a perimeter of 650 m. A square plot having its...

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  8. In Fig. 15.82, A B C D is a rectangle, having A B=20\ c m and B C=1...

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  9. The diameter of a coin is 1 cm (Fig. 15.83). If four such coins be ...

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  11. The area of a sector is one-twelfth that of the complete circle. Fi...

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  12. The radius of a circle with centre O is 5 cm. (Fig. 15.84). Two rad...

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  13. A B C D E F is a regular hexagon with centre O (Fig. 15.85). If ...

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  14. Find the area enclosed between two concentric circles of radii 3.5 ...

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  15. A path of 4 m width runs round a semi-circular grassy plot whose circu...

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  16. Fig. 15.87, shows the cross-section of railway tunnel. The radius O...

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  17. In Fig. 15.90, O is the centre of a circular arc and A O B is a ...

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  18. In Fig. 15.92, two circles with centres A and B touch each other at...

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  19. In Fig. 15.93, A B C D is a rectangle with A B=14\ c m and B C=7\ c...

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  20. In Fig. 15.95, the boundary of the shaded region consists of four s...

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