CBSE Board Practice

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CBSE Grade IX - Circles

Question 1

1.	In the given figure, O is the centre of the circle. If ∠JOK = 89° and ∠KLN = 94°, find ∠MJO
	78.5° 53.5° 58.5° 48.5° 63.5°

Question 2

2.	Angle subtended in the major segment is
	acute angle straight angle complete angle reflex angle obtuse angle

Question 3

3.	In the given figure, O is the centre of the circle. If ∠EOF = 80° and ∠FGI = 103°, find ∠HEO
	83° 53° 58° 68° 63°

Question 4

4.	If the radius of the circumcircle is half the length of a side of the triangle, then the triangle is
	obtuse angled triangle acute angled triangle equilateral triangle right angle triangle

Question 5

5.	Which of the following are not cyclic quadrilaterals?
	a) kite b) rhombus c) isosceles trapezium d) square e) rectangle
	{a,b} {d,b} {c,a} {d,b,a} {e,c,a}

Question 6

6.	The minor arc of the circle is
	DFE DGE DFEHD IDFEI IDGEI

Question 7

7.	△JKL is inscribed in a circle with centre O. If ∠JOK = 121° and ∠KOL = 158°, find ∠LJK
	79° 94° 89° 109° 84°

Question 8

8.	In the given figure, O is the centre of the circle and CF is a diameter. If ∠EFB = 90° and ∠BCF = 63°, find ∠CDE
	132° 147° 127° 122° 117°

Question 9

9.	The minor sector of the circle is
	KFIGK KFHGK FIG FHG FIGJF

Question 10

10.	If the radius of a circle is 63 cm, what is its circumference?
	395 cm 396 cm 398 cm 397 cm 394 cm

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