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Find in radian an angle of a regular pol...

Find in radian an angle of a regular polygon of n sides .

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The correct Answer is:
`((n-2)pi^c)/n`
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CHHAYA PUBLICATION-MEASURMENT OF TRIGONOMETRICAL ANGLES-EXERCISE 1
  1. The circular measure of an internal angle of a regular polygon is (3pi...

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  2. Express in circular measure an angle of a regular hexagon .

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  3. Find in radian an angle of a regular polygon of n sides .

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  4. The sum of two angles is 152^@ . If difference of these two angles is ...

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  5. The angles of a triangle are in A.P . And the number of degrees in the...

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  6. The sum of three angles in G.P is 126^@ , the number of degrees in the...

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  7. The four angles of a quadrilateral are in A.P , the greatest angles in...

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  8. The five angles of a pentagon are in A.P and the greatest angle is thr...

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  9. The greatest angle of a cyclic quadrilateral is three times the least ...

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  10. If the circumference of a circle be divided into five parts which are ...

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  11. A regular polygon has n times as many sides as another and the number ...

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  12. The angles in each of two triangles are in G.P . The least angle of on...

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  13. A wire of length 15 cm is bent so as to lie along the circumference of...

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  14. A circular wire of radius 3cm is cut and then bent so as to lie along ...

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  15. Two arcs to the same length subtend angles 60^@ and 75^@ at the centre...

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  16. A railway wheel of diameter 4 ft makes 6 revolutions per second. Find ...

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  17. At what distance does a man whose height is 2 meters subtend angle of ...

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  18. The distance of earth from the moon is 3,85,000 km and the moon 's di...

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  19. A train is moving with a uniform velocity of 66 km per hour along a ci...

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  20. The larger hand of a clock is 42 cm long , how many cm does its extrem...

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