Question # 1

Equal chords of a circle (or of congruent circles) subtend equal ________ at the centre (corresponding centres):

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Arcs

Angles

Regions

Chords

The chord length of a circle subtending a central angle of 180° is always:

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Less than radial segment

Equal to the radial segment

Double of the radial segment

None of these

If an arc of a circle subtends a central angle of 60°, then the corresponding chord of the arc will make the central angle of:

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20°

40°

60°

80°

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

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Sectorof the circle

Areaof the circle

Radiusof the circle

Circumferenceof the circle

The portion of a circle bounded by an arc and a chord is known as:

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Diameterof the circle

Radiusof the circle

Chordof the circle

Segmentof the circle

A 4cm long chord subtends a central angle of 60°. The radial segment of this circle is:

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1

2

3

4

If two arcs of a circle (or of congruent circles) are congruent, then the corresponding chord are:

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Perpendicular

Parallel

Bisect each other

Equal

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

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Segment of circle

Arcof circle

Chordof circle

Tangentof circle

If the angles subtended by two chords of a circle (or congruent circles) at the centre (corresponding centre) are equal, the ______ are equal:

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Lines

Segments

Chords

Arcs

An arc subtends a central angle of 40° then the corresponding chord will subtend a central angle of:

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20°

40°

60°

80°

Out of two congruent arcs of a circle, if one arc makes a central angle of 30° then the other arc will subtend the central angle of:

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15°

30°

45°

60°

The length of a chord and the radial segment of a circle are congruent, the central angle made by the chord will be:

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30°

45°

60°

75°

An arc substends a central angle of 40° then corresponding chord will substend a central angle of ________:

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20°

40°

60°

80°

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

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Congruent

Incongruent

Parallel

Perpendicular

A pair of chords of a circle subtending two congruent central angles is:

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Congruent

Incongruent

Over lapping

Parallel

In an arc of circle substends a central angle 60°, then corresponding chord will make central angle:

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20°

40°

60°

80°

If two cords of a circle (of of congruent circles) are equal, then their corresponding arcs (minor, major or semi circular) are:

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Proportional

Equal

Congruent

Bisecting chords

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

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Congruent

Incongruent

Parallel

Perpendicular

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

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90°

180°

270°

360°

The boundary traced by a moving point in a circle its ______:

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Circumference

Diameter

Radius

Area

Any portion of the circumference will be known as ______ of the circle:

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A chord

An arc

A tangent

An angle

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