1 
The distance between the centres of two congruent touching circles externally is: 
 A. Of zero length
 B. The radius of each circle
 C. The diameter of each circle
 D. Twice the diameter of each circle

2 
A tangent line intersects the circle at: 
 A. Three points
 B. Twopoints
 C. Single point
 D. No point at all

3 
Tangents drawn at the ends of _______ of a circle are parallel to each other: 
 A. Chord
 B. Diameter
 C. Corners
 D. Arc

4 
If a line is drawn perpendicular to a radial segment of a circle at its occurs and point, it is _________ to the circle at that point: 
 A. Radial
 B. Parallel
 C. Tangent
 D. Perpendicular

5 
A line which has only one point in common with a circle is called: 
 A. Sine of a circle
 B. Cosineof a circle
 C. Tangentof a circle
 D. Secantof a circle

6 
A tangent to a circle is perpendicular to the radial segment drawn to the point of: 
 A. Contact
 B. Tangency
 C. Concurrency
 D. Tangent

7 
The two tangents drawn to a circle from a point outside it, are equal in; 
 A. Length
 B. Radius
 C. Measure
 D. Diameter

8 
Line intersecting a circle is called: 
 A. Tangent
 B. Secant
 C. Chord
 D. Diamter

9 
A line which has two points in common with a circle is called: 
 A. Sine of a circle
 B. Cosine of a circle
 C. Tangent of a circle
 D. Secant of a circle

10 
Tangents drawn at the ends of diameter of a circle are _______ to each other: 
 A. Parallel
 B. Non parallel
 C. Collinear
 D. Perpendicular
