10th Class Maths MCQ with Answers Chapter 11

The semi circumference and the diameter of a circle both subtend a central angle of:

90

360

270

180

Out of two congruent area of a circle if one are makes a central angle of 30o then the other are will subtend the central angle of.

60^o

15^o

45^o

30^o

The circular region bounded by on arc of a circle and its two corresponding radial segments is called a

area of the circle

circumference of the circle

radius of the circle

sector of the circle

An are subtends a central angle of 40o then the corresponding chord will subsended a central angle of .

20^o

80^o

60^o

40^o

A 4 cm long chord subtends central angle of 60^o. the radial segment of this.

2

3

4

1

The arcs opposite to incongruent central angles of a circle are always:

congruent

perpendicular

incongruent

parallel

If a chord of a circle subtends a central angle of 60°, then the length of the chord and the radial segment are:

incongruent

perpendicular

congruent

parallel

The straight line joining any two points of the circumference is called:

chord of circle

tangent of circle

arc of circle

segment of circle

The boundary traced by a moving point in a circle its______:

diameter

area

radius

circumference

The chord length of a circle subtending a central angel of 180^o is always.

Less then radial segment

Equal to the radial segment

None of these

Double of the radial segment