Practical Geometry

1. The line segment joining the mid-point of a side of a triangle to the opposite vertex is called _____________.


2. The line segment which joins the _____________ of a side to the opposite vertex is called a median.


3. If the measure of the angle of a triangle is known we can construct _________ number of triangles with the help of them.


4. Figures are drawn in _____________ geometry.


5. If angles of a triangle and one side is given we can draw _____________ triangle.


6. If three lines passes through the same point the lines are said to be ___________.


7. If certain figures are exactly alike, but different in size they are called __________ figure.


8. The lines, which bisect the sides of a triangle perpendicularly are called _________.


9. If the legs of a right angle triangles are 1,1 then its hypotenuse is __________.


10. Two quadrilateral are similar if their corresponding ___________ are congruent.


11. Equilateral triangle is also _____________ triangle.


12. Union of two rays having common end point form a _____________ of a triangle.


13. A ray has __________ points.


14. A line has _____________ end points.


15. A line segment has __________ points.


16. Parallel lines intercept at one point.


17. In obtuse angle triangle point of concurrency is outside the triangle.


18. In a triangle if three sides are equal then angle must be equal.


19. In ambiguous case, the number of triangle may be three.


20. If thee lines passes through the same point, the lines are said to be concurrent.


21. If two angles and one side is given, we can draw a unique triangle.


22. In practical geometry clear figure has no importance.


23. Proof of a theorem in practical geometry is compulsory.


24. A triangle can be solved if two angles & one side is given.


25. Medians of a triangle are congruent.


26. Perpendicular bisectors of a triangle are concurrent.


27. Altitudes of a triangle are not concurrent.


28. Bisectors of angles of a triangle are concurrent.


29. Two intersecting lines, intersects each other at one & only one point.


30. Sum of acute angles in a right angled triangle is 80o.


31. The medians of a triangle are _______________.




32. An angle is called an exterior angle of a triangle if __________.




33. If certain figures are exactly alike but different in size they are called _____________.




34. The lines which bisect the sides of a triangle perpendicularly are called __________ of the sides.




35. From which of the following sets of measure can a triangle be constructed.




36. In practical theorems it is not necessary to write ______________.




37. From two sides and their included angle ______________ is formed.




38. If the measure of the angles of a triangle is known we can construct ________ numbers of triangles with the help of these.




39. The line Segmant joining the mid-points of a side of a triangle to the vertex is called .




40. The perpendicular Bisectors of the sides of a triangle are ________________.




41. Which angle cannot be constructed with the help of scale and compass.




42. Unique triangle can be constructed if _____________ is give.




43. _____________________ interecpt at one point only.




44. In ambiguous case number of triangles are





45. In a right angled triangled the sum of the square of the measure of the leg is equal to the square of _____________




46. In the figure the measure



47. Which are the measures of complementary angles are




48. Which of these is not sufficent to prove that a quadriletaral is an isosceles trapezoid




49. In ΔABC side AD is____________________________



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