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CBSE Questions for Class 9 Maths Circles Quiz 9 - MCQExams.com

If the length of the chord increase its perpendicular distance from the centre
  • Increases
  • Decreases
  • Equal
  • Constant
In the following, write true/false and if possible give reason for your answer.
If two chords AB and CD of a circle are at same distance 4cm from center then AB=CD
  • True
  • False
In the following, write true/false and if possible give reason for your answer.
Two chords of length 10cm and 8cm are at a distance from center 8cm and 5cm respectively.
  • True
  • False
Side AB of a quadrilateral is a diameter of its circumcircle and ADC=1400, then BAC equals:

1877737_15419de9de254c12b3cfdf8d61e1ddef.png
  • 800
  • 500
  • 400
  • 300
Chords equidistant to each other from center of circle are
  • double
  • triple
  • half
  • equal
In the given figure, r represents
1947264_d4a71b676414406a8636fcf2ece59421.png
  • Radius
  • Diameter
  • Tangent
  • Chord
Sum of opposite angles in a cyclic quadrilateral is:
  • 270^{0}
  • 360^{0}
  • 180^{0}
  • 90^{0}
In the figure, if A, B, C and D are vertices of cyclic quadrilateral, then \angle x will be:

1877827_3f7500b3c46f466fb8b89137979cae88.png
  • 70^{0}
  • 35^{0}
  • 110^{0}
  • 100^{0}
If in the given figure, \Delta ABC is an equilateral triangle, then \angle BCD will be:

1877849_239e6ca1d4564acbba0a7c14718d6c85.png
  • 140^{0}
  • 120^{0}
  • 180^{0}
  • 275^{0}
In the given figure, ABCD is a cyclic quadrilateral whose diagonals intersect each other at O. If \angle ACB = 50^{0} and \angle ABC = 110^{0}, then \angle BDC will be :

1877866_5cae2ceb8d4a48b598908ca7309cc6cf.png
  • 110^{0}
  • 60^{0}
  • 40^{0}
  • 20^{0}
In fig, ABCD is a cyclic quadrilateral. if \angle D = 120^{0}, then \angle CBE will be :

1877824_f9a2eb6a3f514bb5b9fdeea9db4a0b07.png
  • 120^{0}
  • 60^{0}
  • 180^{0}
  • 90^{0}
In figure, D is cyclic quadrilateral in which AC and BD are diagonals. If \angle DBC = 55^{0} and \angle BAC = 45^{0}, then \angle BCD will be :

1877847_eb1fdc58f9d041a1ba9c1f569b230914.png
  • 80^{0}
  • 90^{0}
  • 110^{0}
  • 115^{0}
In figure, O is center of circle and \angle PQR = 115^{0}, \angle POR will be

1877843_dc561efaf7aa4b8f8697cc36a994861f.png
  • 130^{0}
  • 230^{0}
  • 270^{0}
  • 360^{0}
The center of the circle lies
  • in the interior of the circle
  • in the exterior of the circle
  • on the circle
  • None of these
0:0:1


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