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Find tge degree measure of the angle sub...

Find tge degree measure of the angle subtended at the centre of a circle of diameter 60 cm by an arc of length `16.5` cm.

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The correct Answer is:
`31^(@), 30'`
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RS AGGARWAL-MEASUREMENT OF ANGLES-Exercise 14
  1. Using a protractor, draw each of the following angles. (i) 60^(@), (...

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  2. Express each of the following angles in radians. (i) 36^(@) , (ii) 1...

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  3. Express each of the following angles in degrees. (i) ((5pi)/12)^(c )...

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  4. The angles of a triangle are in AP and the greatest is double the leas...

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  5. The difference between the two acute angles of a right triangleis (pi/...

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  6. Find the radius of a circlein which a central angle of 45^(@) intercep...

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  7. The length of an arc of a radius of 14 cm which subtends an angle of 3...

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  8. If the arc of the same length in two circles subtend angles 75^(@) and...

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  9. Find tge degree measure of the angle subtended at the centre of a circ...

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  10. In a circle of diameter 30 cm, the length of a chord is 15 cm. Find th...

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  11. The measure of angle in degrees through which a pendulum swings if its...

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  12. The large hand of a clock is 42 cm long. How many centimetres does its...

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  13. A wheel makes 180 revoluations in 1 minutes. Through how many radians ...

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  14. A railway train is travelling on a circular curve of 1500 metres radiu...

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  15. A wire of length 121 cm is bent so as to lie along the arc of a circle...

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  16. The angles of a quadrilateral are in AP, and the greatest angle is dou...

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