1 
If two arcs of a circle (or of congruent circles) are congruent, then the corresponding chord are: 
 A. Perpendicular
 B. Parallel
 C. Bisect each other
 D. Equal

2 
The semi circumference, and the diameter of a circle both subtend a central angle of: 
 A. 90°
 B. 180°
 C. 270°
 D. 360°

3 
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

4 
Equal chords of a circle (or of congruent circles) subtend equal ________ at the centre (corresponding centres): 
 A. Arcs
 B. Angles
 C. Regions
 D. Chords

5 
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

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 length of a chord and the radial segment of a circle are congruent, the central angle made by the chord will be: 
 A. 30°
 B. 45°
 C. 60°
 D. 75°

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 
An arc substends a central angle of 40° then corresponding chord will substend a central angle of ________: 
 A. 20°
 B. 40°
 C. 60°
 D. 80°

10 
The boundary traced by a moving point in a circle its ______: 
 A. Circumference
 B. Diameter
 C. Radius
 D. Area
