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Find the length of the arc of a circle o...

Find the length of the arc of a circle of diameter 42 cm which subtends an angle of `60^(@)` at the centre.

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Verified by Experts

The correct Answer is:
`22cm`
Length of the arc `=(2piRtheta)/360=(2xx22/7xx21xx60/360)cm=22cm`
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RS AGGARWAL-AREA OF CIRCLE, SECTOR AND SEGMENT -Exercise 16B
  1. If the area of a circle is numerically equal to twice its circumferenc...

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  2. The perimeter (in cm) of a square circumscribing a circle of radius a ...

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  3. Find the length of the arc of a circle of diameter 42 cm which subtend...

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  4. Find the diameter of the circle whose area is equal to the sum of the ...

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  5. Find the area of a circle whose circumference is 8pi

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  6. If the diameter of a semicircular protractor is 14 cm, then find its p...

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  7. If the perimeter of a circle is numerically equal to its area, find th...

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  8. The radii of two circles are 19 cm and 9 cm respectively. Find the ...

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  9. The radii of two circles are 8 cm and 6 cm respectively. Find the r...

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  10. Find the area of the sector of a circle having radius 6 cm and of angl...

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  11. In a circle a radius 21 cm. An arc subtends an angle 60^@ at the centr...

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  12. The circumferences of two circles are in the ratio 2:3. What is the ra...

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  13. The area of two circles are in the ratio 4:9. What is the ratio betwee...

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

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  15. The circumference of a circle is 8 cm. Find the area of the sector who...

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  16. A pendulum swing through an angle of 30^0 and describes an arc 8.8 cm ...

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  17. The minute hand of a clock is 15cm long. Calculate the area swept by i...

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  18. A sector of 56^(@), cut out from a circle, contains 17.6cm^(2). Find t...

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  19. The area of the sector of a circle of radius 10.5cm is 69.3cm^(2). Fin...

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  20. The perimeter of a certain sector of a circle of radius 6.5 cm is 31cm...

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