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The length of an arc of a circle, subten...

The length of an arc of a circle, subtending an angle of `54^(@)` at the centre is 16.5cm. Calculate the radius, circumference and area of the circle.

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The correct Answer is:
`17.5cm, 110cm, 962.5cm^(2)`

`2xx22/7xxrxx54/360=16.5`.Find `r`
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RS AGGARWAL-AREA OF CIRCLE, SECTOR AND SEGMENT -Exercise 16A
  1. A sector is cut off from a circle of radius 21 cm. The angle of the se...

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  2. A chord PQ of a circle of radius 10 cm makes an angle of 60^(@) at the...

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  3. The length of an arc of a circle, subtending an angle of 54^(@) at the...

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  4. The radius of a circle with centre O is 7 cm. Two radii OA and OB are ...

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  5. Find area of the minor segment formed by a chord 12cm long in a circle...

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  6. A chord 10cm long is drawn in a circle whose radius is 5sqrt(2) cm. Fi...

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  7. Find the area of both the segments of a circle of raidus 42 cm with ce...

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  8. A chord of a circle of radius 30 cm makes an angle of 60^(@) at the ce...

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  9. In a circle of radius 10.5cm the minor arc is one-fifth of the major a...

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  10. The short and long hands of a clock are 4cm and 6cm long respectively....

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  11. Find the area of a quadrant of a circle whose circumference is 88 cm.

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  12. A rope by which a cow is tethered is increased from 16 m to 23 m. How ...

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  13. A horse is placed for grazing inside a rectangular field 70m by 52m an...

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  14. A horse is tethered to one corner of a field which is in the shape of...

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  15. Four cows a tethered at the four corners of a square field of side 50 ...

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  16. In the given figure OPQR is a rhombus, three of whose vertices lie on ...

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  17. The side of a square is 10 cm. Find the area of circumscribed and i...

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  18. If a square is inscribed in a circle, find the ratio of the areas of ...

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  19. The area of a circle inscribed in an equilateral triangle is 154\ c...

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  20. The radius of the wheel of a vehicle is 42 cm. How many revolutioins w...

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