Across
- 2. Angles ……….. to equal sides are equal.
- 4. ……… of any two sides is greater than the third side.
- 9. If two plane figures are congruent then their areas must be equal.
- 10. A line segment joining the mid point of a side with the opposite vertex.
- 12. Difference between any two sides of a triangle is less than its third side.
- 13. Medians, altitudes, angle bisectors and perpendicular bisectors of an ……….. triangle coincide with each other.
- 16. Every triangle should have at least ……… angles
- 17. In a congruent triangle ……….. sides and angles are equal
- 19. The point of concurrence of all three altitudes of a triangle.
Down
- 1. Of all the line segments than can be drawn to a given line from a point not lying on it the ………. line segment is the shortest.
- 3. A triangle cannot have more than one ………… angle
- 4. A triangle whose all sides are of different length.
- 5. The longest side of the triangle has the …………. Altitude opposite to it.
- 6. If two sides of a triangle are unequal then the longer side has the ……… angle opposite to it.
- 7. If two angles of a triangle and the included side of the triangle are equal to the corresponding angles and side of the other triangles are equal then the triangles are ……..
- 8. The perpendicular line segment drawn from a vertex to the opposite side.
- 11. If two right angles triangles have any two sides equal then they are always congruent. (True = Tr , False = Fa)
- 14. Sum of any two angles of a triangle is always less than ….. right angles
- 15. Two triangles with all angles equal are congruent to each other. (True = Tr , False = Fa)
- 18. If the bisector of the vertical angle of a triangle bisects the base of the triangle then the triangle is ………….