| 1 |
The point at which the three angle-bisectors of a triangle meet is called: |
- A. circum-center of the triangle
- B. inceter of the triangle
- C. centroid of the triangle
- D. orthocenter of the triangle
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| 2 |
If the points of contact of a common tangent to the two circles are on the same side of the line joining their centers, then this common tangent is called: |
- A. external tangent
- B. internal tangent
- C. concyclic tangent
- D. concentric tangent
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| 3 |
A parallelogram containing a right angle is called a: |
- A. quadrilateral
- B. square
- C. rectangle
- D. equilateral
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| 4 |
The point of intersection of the perpendicular bisectors of the sides of a triangle meet, is called: |
- A. circum-center of the triangle
- B. incenter of the triangle
- C. centroid of the triangle
- D. orthocenter of the triangle
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| 5 |
The centroid of a triangle divides each one of the medians in the ratio: |
- A. 1:1
- B. 1:2
- C. 2:1
- D. 2:2
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| 6 |
All the altitudes are equal of an: |
- A. rectangle
- B. scalene triangle
- C. isosceles triangle
- D. equilateral triangle
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| 7 |
The altitude of a triangle are: |
- A. concurrent
- B. collinear
- C. non-collinear
- D. non-concurrent
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| 8 |
A line segment joining a vertex to the midpoint of the side opposite to the vertex is called: |
- A. altitude of the triangle
- B. side bisector of the triangle
- C. angle bisector of the triangle
- D. median of the triangle
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| 9 |
The midpoint of the diameter of a circle is called: |
- A. radius
- B. chord
- C. center
- D. tangent
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| 10 |
A line segment that bisects an angle of the triangle and has its other end on the side opposite to that angle is called: |
- A. altitude of the triangle
- B. incenter of the triangle
- C. angle bisector of the triangle
- D. median of the triangle
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