ICSE Board Practice

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ICSE Grade X - Chord Properties of a Circle

Question 1

1.	If the two radii OP and OQ of a circle are at right angles to each other, then the sector OPQ is called a
	circumference quadrant secant major segment tangent

Question 2

2.	Which of the following figures represent a tangent ?
	fig II fig III fig V fig I fig IV

Question 3

3.	In the given figure, HI & JK are diameters of the circle. If ∠HIJ = 70° find, ∠IOJ
	50° 70° 55° 40° 45°

Question 4

4.	Which of the following statements are true?
	a) 22 7 is a rational number. b) All chords of a circle are diameters. c) π is a rational number. d) All diameters of a circle are chords. e) A circle divides the plane into three mutually disjoint sets of points.
	{b,c,e} {b,a} {a,d,e} {b,a,d} {c,d}

Question 5

5.	In the given figure, △HIJ is an isosceles such that HI = HJ. Given HO = 10 cm, HI = HJ = 17 cm, find IJ
	19.91 cm 15.91 cm 18.91 cm 17.91 cm 16.91 cm

Question 6

6.	The major arc of the circle is
	FIG KFIGK FIGJF KFHGK FHGJF

Question 7

7.	The minor arc of the circle is
	DGE DGEHD IDGEI DFEHD DFE

Question 8

8.	A line which touches a circle at only one point is called a
	chord segment major segment tangent centre

Question 9

9.	Identify the figure below
	octagon angle hexagon triangle circle

Question 10

10.	The segment of the circle containing the centre of the circle is called
	segment semi-circle major segment chord diameter

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