10
Q1. Any angle whose
vertex is at the centre of the circle is called
Right
angle
Central
angle
Reflex
angle
Straight
angle
Q2. The region between an
arc and the two radii joining the centre of the end points of the arc is called
a:
Sector
Segment
Semi
circle
Minor
arc
Q3. The degree measure of
a semi-circle is
180o
90o
0o
360o
Q4. A circle divides the
plane in which it lies into
2
parts
3
parts
4
parts
5
parts
Q5. There is one and only
one circle passing through ______ non-collinear points.
One
Two
Four
Three
Q6. If a circle is
divided into three equal arcs, each arc is a
Major
arc
semi-circle
Minor
arc
circle
Q7. If the angles
subtended by the chords of a circle at the centre are equal, then the chords
are
Equal
to each other
Perpendicular
to each other
Parallel
to each other
Not
equal to each other
Q8. A regular octagon is
inscribed in a circle. The angle that each side of the octagon subtends at the
centre is
60o
45o
90o
75o
Q9. AD is a diameter of a
circle and AB is a chord. If AD = 34 cm and AB = 30 cm, the distance of AB from
the centre of the circle is :
17
cm
15
cm
4
cm
8
cm
Q10. When the ends of an
arc are the ends of its diameter, it is a
minor
arc
Major
arc
Secant
Semi-circle
Q11. If a regular polygon
is inscribed in a circle the sum of all the angles subtended by its sides at
the centre is
120o
180o
360o
90o
Q12. Two circles of radii
5 cm and 3 cm intersect at two points and the distance between their centres is
4 cm. The length of the common chord is
8
cm
6
cm
5
cm
10
cm
Q13. The angles subtended
by arcs XY and MN on the centre of the circle are 72° each. The length of chord
XY = 15 cm, then the length of chord MN is:
10
cm
12
cm
18
cm
15
cm
Q14. Equal chords of a circle
subtend …. at the centre.
Equal
angles
Right
angle
Not
equal angles
Straight
angle
Q15. Circles having the
same centre and different radii are called
Semi-circles
Congruent
circles
Concentric
circles
Equal
circles
Q16. The angle which, an
arc of a circle subtends at the centre is.........the angle which it subtends
at any point on the remaining part of the circumference.
Half
One
- third
Double
Equal
Q17. The length of a
chord which is at a distance of 5 cm from the centre a circle of radius 13 cm
is
20
cm
12
cm
25 cm
24 cm
Q18. A quadrant of a
circle is
One
fourth of a circle
One
third of a circle
Secant
Semi-circle
Q19. Segment of a circle
is the region between an arc and ………..of the circle.
radius
chord
secant
perpendicular
Q20. A circle of radius
26 cm has a chord of length 20 cm, then the distance of the chord from the
centre is
12
cm
30
cm
40
cm
24 cm
Q21. Two equal chords AB
and CD of a circle with centre O are such that the length of the perpendicular
OE on CD = 5 cm. If OF is the perpendicular on AB, then OF =
2.5
cm
10
cm
15
cm
5
cm
Q22. The longest chord of
the circle is the
diameter
radius
secant
perpendicular
Q23. Chords of a circle,
equidistant from the centre are
Equal
Not
equal
Parallel
Perpendicular
Q24. A chord of a circle
which is twice as long as its radius is a _______ of the circle.
secant
perpendicular
arc
Diameter
Q25. A line that
intersects a circle in two distinct points is a
Chord
Secant
Diameter
Radius
Q26. The number of
circles which can pass through three non-collinear points is:
one
Two
Many
None
Q27. The radius of a
circle which has a 6 cm long chord, 4 cm away from the centre of the circle is
8
cm
5
cm
10 cm
9 cm
Q28. The perpendicular
distance of a chord 8 cm long from the centre of a circle of radius 5 cm is
4
cm
3
cm
2
cm
9
cm
Q29. The region bounded
by an arc and a chord of a circle is called a ______.
Sector
Segment
Semicircle
None
of the above
Q30. If the sum of
a pair of opposite angles of a quadrilateral is 180o, the
quadrilateral is:
Cyclic
Parallelogram
square
Rhombus
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