1 
Locus of a point in a plane equidistant from a fixed point is called: 
 A. Radius
 B. Circle
 C. Circumference
 D. Diameter

2 
The length of the diameter of a circle is how many times the radius of circle: 

3 
The symbol for a triangle is denoted by: 

4 
The straight line that bisect the circle is called: 
 A. Sector
 B. Radius
 C. Diameter
 D. Segment

5 
The distance of any point of the circle to its centre is called: 
 A. Radius
 B. Diameter
 C. A chord
 D. An arc

6 
The circumference of a circle is called: 
 A. Tangent
 B. Chord
 C. Boundary
 D. Segment

7 
The circular region bounded by two radii and the corresponding arc is called: 
 A. Circumference of a circle
 B. Sector of a circle
 C. Diameter of a circle
 D. Segment of a circle

8 
Line segment joining any point of the circle to the centre is called: 
 A. Circumference
 B. Diameter
 C. Radial segment
 D. Perimeter

9 
The ratio of the circumference and the diameter of the circle is: 

10 
All the radii of a circle are equal in: 
 A. Segment
 B. Measure
 C. Length
 D. Portion
