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The central angle of an arc is of the a...

The central angle of an arc is _________ of the angle in circle of the same are.

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double
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Knowledge Check

  • The ratio of the angles subtended at the centre by two unequal arcs of a circle is 5:3 and the magnitude of the second agnel is 45^@ . The circular measure of the first angle is

    A
    `(5x^c)/12`
    B
    `(5x^c)/6`
    C
    `x^c/6`
    D
    `x^c/3`

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    The lenghts of the chords PQ and RS of a circle with centre O are equal. If angle ROS be the central angle and angle RQS be the angle in circle, then angleROS = ________

    The lengths of the chords AB and AC of the circle with cenrtre at are equal. If angleAPB and angle AQC are two of its angle in circle, the a values of the angles are ___________

    All angles in the same segment are ……….

    On the same circular arc, the angle in circle is __________ of its central angle.

    The front angle produced by an are of the circle is called the central angle.

    The length of radius of a circle is 21 cm. Determine the cfircular and sexagesimal measures of the central angle produced by an are of length 5*5 cm of this circle.

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