Math 9th Unit 17 Practical Geometry Triangles-1

1. If the given line statement are too big or small, a suitable.......may be taken?




2. Three or more than three lines are said to be concurrent if they all pass through the same?




3. The common point is called the point of........of the line?




4. The internal bisector of the angles of a triangle meet at a point called the........of the triangle?




5. The point of concurrency of the three perpendiculars bisector of the sides of a triangle is called?




6. The point of concurrency of the three altitudes of a triangle is called?




7. The point where the three medians of a triangle meet is called?




8. The side of a right angled triangle opposite to m<90 is called?




9. A line drawn from a vertex of a triangle which is.......to its opposite side is called an altitude of the triangle?




10. The line segment joining a vertex of a triangle to the midpoint of its opposite side is called?




11. The bisectors of the three angles of a triangle are?




12. The point of concurrency of the right bisectors of the three sides of the triangle is.......from its vertices?



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