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A wire of length 10 cm is bent so as to ...

A wire of length 10 cm is bent so as to form an arc of a circle of radius 4 cm. What is the angle at the centre in circular measure?

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The correct Answer is:
`=(5/2)^(c)`
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SUBHASH PUBLICATION-TRIGONOMETRY-Two Marks Questions With Answers
  1. A wire of length 10 cm is bent so as to form an arc of a circle of rad...

    Text Solution

    |

  2. A circular wire of radius 6 cm is cut & bent so as to form an arc of a...

    Text Solution

    |

  3. Convert 40^(@),20' into radian measure.

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  4. Convert 6 radians into degree measure.

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  5. Find the radius of the circle in which a central angle of 60^(@) inter...

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  6. The minute hand of a watch is 1.5 cm long. How far foes its tip move i...

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  7. If the arc of the same lengths in two circles subtend angles 65^(@) an...

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  8. A wheel makes 360 revolutions in one minute. Through how many radians ...

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

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  10. In a circle of diameter 40 cm, the length of a chord is 20 cm. Find t...

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  11. If in two cirlces arcs of the same length subtend angles 60^(@) and 75...

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  12. If sinA=1/2 find sin2A & cos2A

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  13. If sinA=3/5, find sin3A & cos3A, A is acute.

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  14. A wire of length 10 cm is bent so as to form an arc of a circle of rad...

    Text Solution

    |

  15. A circular wire of radius 6 cm is cut & bent so as to form an arc of a...

    Text Solution

    |

  16. Convert 40^(@),20' into radian measure.

    Text Solution

    |

  17. Convert 6 radians into degree measure.

    Text Solution

    |

  18. Find the radius of the circle in which a central angle of 60^(@) inter...

    Text Solution

    |

  19. The minute hand of a watch is 1.5 cm long. How far does its tip move i...

    Text Solution

    |

  20. If the arc of the same lengths in two circles subtend angles 65^(@) an...

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    |