| 1 |
If the angles subtended by two chords of a circle (or congruent circles) at the centre (corresponding centre) are equal, the ______ are equal: |
- A. Lines
- B. Segments
- C. Chords
- D. Arcs
|
| 2 |
The portion of a circle bounded by an arc and a chord is known as: |
- A. Diameterof the circle
- B. Radiusof the circle
- C. Chordof the circle
- D. Segmentof the circle
|
| 3 |
Equal chords of a circle (or of congruent circles) subtend equal ________ at the centre (corresponding centres): |
- A. Arcs
- B. Angles
- C. Regions
- D. Chords
|
| 4 |
The semi circumference, and the diameter of a circle both subtend a central angle of: |
- A. 90°
- B. 180°
- C. 270°
- D. 360°
|
| 5 |
In an arc of circle substends a central angle 60°, then corresponding chord will make central angle: |
- A. 20°
- B. 40°
- C. 60°
- D. 80°
|
| 6 |
Any portion of the circumference will be known as ______ of the circle: |
- A. A chord
- B. An arc
- C. A tangent
- D. An angle
|
| 7 |
The straight line joining any two points of the circumference is called: |
- A. Segment of circle
- B. Arcof circle
- C. Chordof circle
- D. Tangentof circle
|
| 8 |
If a chord of a circle subtends a central angle of 60°, then the length of the chord and the radial segment arc: |
- A. Congruent
- B. Incongruent
- C. Parallel
- D. Perpendicular
|
| 9 |
The circular region bounded by an arc of a circle and its two corresponding radial segments is called a: |
- A. Sectorof the circle
- B. Areaof the circle
- C. Radiusof the circle
- D. Circumferenceof the circle
|
| 10 |
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: |
- A. 15°
- B. 30°
- C. 45°
- D. 60°
|
