1 
The length of two common tangents to two circles are _____ to each other: 
 A. Perpendicular
 B. Equal
 C. Parallel
 D. Unequal

2 
If the two circles touches externally, then the distance between their centres is equal to the: 
 A. Difference of their radii
 B. Sum of their radii
 C. Product of their radii

3 
One and only one circle can be drawn through _______ noncollinear collinear points: 
 A. One
 B. Two
 C. Three
 D. Four

4 
A circle of any radius can be constructed by rotating a compass about: 
 A. A chord
 B. An arc
 C. The straight line
 D. A fixed point

5 
Ange inscribed in a semicircle is a _________ angle: 
 A. Abtuse
 B. Right
 C. Supplementary
 D. Acute

6 
__________ Common tangents can be drawn for two touching circles: 

7 
A line intersecting a circle is called: 
 A. Tangent
 B. Secant
 C. Chord

8 
The Portion of a circle between two radii and an arc is called: 
 A. Sector
 B. Segment
 C. Chord

9 
The tangent and radius of a circle at the point of contact are: 
 A. Parallel
 B. Not perpendicular
 C. Perpendicular

10 
If the incentre and circumentre of a triangle coincide, the triangle is: 
 A. An isoscenes
 B. A right triangle
 C. An equilateral
