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A rotating ray makes an angle -5(1)/(12)...

A rotating ray makes an angle `-5(1)/(12)pi`. Determine the direction in which the ray has comletely rotated and there after what more angle it has produced.

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`-5(1)/(12)pi=-(61)/(12)xx180^(@)=-61xx15^(@)=-915^(@)`
we know that 1 complete rotation `=360^(@)`
`therefore 915^(@)=360^(@)xx2+195^(@)`
`therefore "2 comlete rotation clockwise and there after makes" 195^(@)` more.
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CALCUTTA BOOK HOUSE-CONCEPT OF MEASUREMENT OF ANGLES -EXERCISE - 1
  1. A rotating ray makes an angle -5(1)/(12)pi. Determine the direction in...

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  2. The length of an are which subtends 22(1^(@))/(2) "at the centre of a ...

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  3. State true or false: Two angles are in the ratio 5:3 and their differ...

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  4. The angles of a triangle are in the ratio 2:5:3. Find the circular mea...

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  5. The circumference of a circle is 176 cm, find its radius.

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  6. The angles of a quadrilateral are x^(@),60^(@),60^(@) "and" (5pi^(c))/...

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  7. The sum of two angles is 60 grades and their difference is 16^(@). Fin...

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  8. One angle of a triangle is 60^(@) and the second is (pi)/(4) radian. E...

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  9. 13214"=

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  10. (5pi^(c))/(9)=

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  11. 120^(g)=

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  12. The length of an are which subtends 22(1^(@))/(2) "at the centre of a ...

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  13. Two angles are in the ratio 5:3 and their difference is 100^(g). The g...

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  14. The mesure of an angle subtended at the centre of circle by an are to ...

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  15. The circular measure of angle theta=""

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  16. The measure of the angle subtended at the centre of a circle by a quar...

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  17. The angles of a triangle are in the ratio 2:5:3. Find the circular mea...

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  18. The circumference of a circle is 176 cm, find its radius.

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  19. The angles of a quadrilateral are x^(@),60^(@),60^(@) "and" (5pi^(c))/...

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  20. Find the circular measure of an interior angle of a regular n-gon.

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  21. Express in degrees and minutes and also in greades all the angles of a...

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