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If the arc of a circle of radius 60 cm s...

If the arc of a circle of radius 60 cm subtends and angle `2/3` radian at its centre , then the length of the arc will be

A

40 cm

B

40.1cm

C

41cm

D

42cm

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The correct Answer is:
A
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CHHAYA PUBLICATION-MEASURMENT OF TRIGONOMETRICAL ANGLES-EXERCISE 1
  1. The degree measure of radian measure of angle (-3)^c is

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  2. The angular diameter of the moon 30' . How far from the eye a coin of ...

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  3. If the arc of a circle of radius 60 cm subtends and angle 2/3 radian a...

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  4. Express the following angles in terms of a right angle . 60^@

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  5. Express the following angles in terms of a right angle . ((2pi)/3)^c

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  6. Express in sexagesimal system : ((4pi)/9)^c

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  7. Express in sexagesimal system : ((7pi)/6)^c

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  8. Express in sexagesimal system : 39^g6'25"

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  9. Reduce the following angles to circular measure: 324^@

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  10. Reduce the following angles to circular measure: 46^@25'36"

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  11. The circular measure of an angle is 1.5 , express it in terms of degr...

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  12. The sum o9f two angles is 80^@ and their difference is ((pi)/(10))^c ...

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  13. The sum of the number of degrees and number of grades of a given angle...

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  14. The angles of a triangle are in the ratio5:4:3 . Find the circular mea...

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  15. Find in degree and radian each angle of a regular decagon.

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  16. If the difference of two acute angles of a right angled triangle of a ...

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  17. The angles of a triangle are (pix)/(200) radian ,3x^@ and (pix)/(300) ...

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  18. The circular measures of two of the angles of a triangle are 1/2 and...

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  19. If the measurements of an angle in degree minutes and seconds be D ,M...

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  20. The circular measure of an internal angle of a regular polygon is (3pi...

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