9th mathematics Chapter12 Line bisectors and angle bisectors
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | The perpendicular bisector of a segment passes through its: | Midpoint | Endpoint | Center | Opposite endpoint | 2 | The angle bisector of an isosceles triangle divides the base into segments that are: | Equal | Congruent | Proportional | Perpendicular | 3 | What is the angle bisector of a straight angle? | A point | A line segment | A line | None of the above | 4 | In a triangle, the angle bisector is the same as: | Perpendicular bisector | Median | Altitude | None of the above | 5 | In a right-angled triangle, the angle bisector of the right angle is also the: | Median | Altitude | Perpendicular bisector | Hypotenuse | 6 | The point where the perpendicular bisectors of the sides of a triangle intersect is called the: | Incenter | Circumcenter | Centroid | Orthocenter | 7 | If a line bisects an angle, the two resulting angles are: | Congruent | Supplementary | Complementary | Vertical angles | 8 | What is the exterior angle bisector of an angle? | A line that bisects the angle internally | A line that bisects the angle externally | A line that extends the angle to form two supplementary angles | A line that is perpendicular to the angle | 9 | The point of concurrency of the angle bisectors in a triangle is called the: | Incenter | Centroid | Circumcenter | Orthocenter | 10 | In an isosceles triangle, the angle bisector of the vertex angle is also the: | Altitude | Median | Perpendicular bisector | None of the above | 11 | If a line bisects a segment, the two resulting segments are: | Congruent | Proportional | Perpendicular | Supplementary | 12 | The incenter of a triangle is equidistant from: | The vertices of the triangle | The midpoints of the sides of the triangle | The intersection points of angle bisectors | The circumcenter of the triangle |