Mathematics Chapter FUNDAMENTAL CONCEPTS OF GEOMETRY

Mathematics 

Basic Concepts Of Geometry


1. Two lines can intersect each other at least in:

a) A single point
b) Two points
c) Three points
d) None of these
2. Distance of any point on the circle from the centre is called:

a) Diameter
b) Radius
c) Center of the circle
d) Diagonal
3. The words geometry has been derived from the words:

a) Study of oceans
b) Study of stars
c) Geo and matron
d) None of these
4. A four sided closed geometrical figure is called:

a) Triangle
b) Circle
c) Quadrilateral
d) Inscribed Circle
5. A line segment whose ends are any two points of the circle is called:

a) Radius
b) Diameter
c) Chord
d) None of these
6. The most important thing in demonstrative theorem is:

a) Given
b) To prove
c) Proof
d) None of these
7. Lines which never intersect each other at any point we called:

a) Perpendicular lines
b) Parallel lines
c) Sometimes and sometimes
d) None of these
8. Set of Such points of a plane which are equidistant from a point (fixed) is called as:

a) Circle
b) Centre of a circle
c) Radius
d) None of these
9. Each angle of rectangle is:

a) 45°
b) 90°
c) 75°
d) 30°
10. The pioneers of Geometry are:

a) Italians
b) Americans
c) Egyptians
d) None of these
11. In deductive method, we reach the conclusion from general to a :

a) Particular principle
b) General principle
c) Geometry
d) None of these
12. A line segment can be bisected at:

a) One and only one point
b) Two points
c) Three points
d) None of these
13. The Branch of mathematics in which the theorems on geometry are proved through logical reasons is called:

a) Demonstrative geometry
b) Algebra
c) Practical geometry
d) None of these
14. Two rays with a common end point form:

a) Side of triangle
b) Angle
c) Circle
d) Quadrilateral
15. If three rays AB, AC, AD are passing through a point A, they form:

a) Two angles
b) Three angles
c) Four angles
d) One angles
16. An angle can be bisected by:

a) Two rays
b) Three rays
c) One and only one ray
d) None of these
17. A triangle has elements:

a) Two
b) Three
c) Four
d) Six
18. The most important work in the field of geometry was done by:

a) Newton
b) Euclid
c) Arther Kally
d) None of these
19. The Greeks Constructed the knowledge of geometry on the basics of:

a) Every period
b) Unreal statements
c) Logic
d) None of these
20. Some Statements are accepted without reasons, these are called:

a) Statements
b) Basic assumptions
c) Equality of delta s
d) None of these
21. Infinite number of lines can pass through:

a) One point
b) two points
c) Three points
d) None of these
22. Geometry means the measurement of:

a) Sun
b) Moon
c) Earth
d) Mars
23. The angles of measure 50° and 130° are called:

a) Complementary angles
b) Supplementary angles
c) Adjacent angles
d) None of these
24. A complete Circle has:

a) 180°
b) 360°
c) 150°
d) 90°
25. In study of geometry we use the method of:

a) Deductive reasoning
b) Inductive reasoning
c) Principle
d) None of these
26. Two lines can intersect each other in:

a) Two points
b) Three points
c) One points
d) None of these
27. The conditions to prove a theorem are called:

a) Reasons
b) Sound reasons
c) Proof
d) None of these
28. Diameter of a circle is such a diagonal which passes through the:

a) Radius
b) Center
c) Circumference
d) None of these
29. Square is such a quadrilateral that all of its sides are:

a) Unequal
b) Congruent
c) Parallel
d) None of these
30. All the sides of a quadrilateral may or may not be:

a) Equal
b) Similar
c) Diagonal
d) Angle
31. Points which do not lie on a same straight line are called:

a) Collinear points
b) Non collinear points
c) Concurrent lines
d) None of these
32. All the four sides of a rhombus are:

a) Unequal
b) Congruent
c) Parallel
d) None of these
33. Two intersecting lines are not parallel to:

a) Single line
b) Two lines
c) Diameter
d) Radius
34. The word geometry has been derived from:

a) Greeks words
b) English words
c) Arabic words
d) Latin words
35. Two lines can intersect each other at:

a) Two points
b) One point only
c) Three points
d) None of these
36. If the sum of two angles is 180 32; °then the angles are called:

a) Adjacent angles
b) Supplementary angles
c) Vertical angles
d) Alternate angles
37. When two lines which are intersecting each other at a point are called:

a) Parallel lines
b) Intersecting lines
c) Opposite lines
d) None of these
38. If two lines do not meet or intersect each other at any point then the lines are called:

a) Parallel lines
b) Straight lines
c) Intersecting lines
d) Opposite lines
39. If two lines intersect each other such that any two adjacent angles are congruent then the lines are called:

a) Parallel lines
b) Opposite lines
c) Perpendicular lines
d) All these
40. If the sum of two angles is 90° then the angles are called:

a) Alternate angles
b) Vertical Angles
c) Complementary angles
d) Supplementary angles
41. A triangle with all sides equal is measure is called:

a) Equilateral triangle
b) Isosceles triangle
c) Scalene triangle
d) Right angle triangle
42. In a square all the four sides are equal in lengths and each angle is:

a) Less than 90°
b) Equal to 180°
c) Equal to 90°
d) None of these
43. Lines which are passing through a single point are called:

a) Perpendicular Lines
b) Parallel Lines
c) Concurrent Lines
d) None of these
44. A triangle with all three sides different in 32; measures is called:

a) Equilateral triangle
b) Isosceles triangle
c) Scalene triangle
d) None of these
45. A triangle ; which has an angle of 90° is called:

a) Right angled triangle
b) Equilateral triangle
c) Acute angle triangle
d) All of these are correct
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