Sainik School Entrance Exam

Line and Angle Practice Question

Class VI

1.    An angle is greater than 45°. Is its complementary angle greater than 45° or equal to 45° or less than 45°?

2.    What is the type of another angle of a linear pair if

(a) one of its angles is acute?

(b) one of its angles is obtuse?

(c) one of its angles is right?

1.    The angles of a triangle are in the ratio 2 : 3 : 4. Find the angles of the triangle.

2.    Measures (in degrees) of two supplementary angles are consecutive odd integers. Find the angles.

3.    Two lines are respectively perpendicular to two parallel lines. Show that they are parallel to each other.

4.    Measurement of reflex angle is

5.    The sum of angle of a triangle is

6.    If two lines intersect each other then

7.    If two angles of a triangle is 30º and 45º what is measure of third angle

8.    The measurement of Complete angle is

9.    The measurement of sum of linear pair is

10.The difference of two complementary angles is 40º. The angles are

11. If an angle is half of its complementary angle, then find its other angle.

12. The measure of an angle is four times the measure of its supplement. Identify the angles.

13. If two supplementary angles are in the ratio 4:5 , find the angles.

14.   An angle whose measure lies between 0° and 90° is known as __________ angle.
a) Right                    b) Obtuse
c) Acute                   d) None of these

15.  An angle whose measure is _____ known as right angle.
a) 30°                    b) 90°
c) 60°                    d) None of these

16. 120° is known as __________ type of angle.
a) Right                    b) Obtuse
c) Acute                   d) None of these

17.   An angle whose measurement is _____ known as zero angle.
a) 30°                    b) 90°
c) 60°                    d) None of these

18.   An angle whose measurement is _____ known as straight angle.
a) 30°                    b) 90°
c) 60°                    d) 180°

19.Reflex angle measurement should lie between _____ and _____.
a) 30° and 90°                    b) 90° and 180°
c) 180° and 360°                d) 270° and 360°

20.One straight angle is equal to _____ right angles.
a) 1                    b) 2
c) 3                    d) 4

21.One complete angle is equal to _____ straight angles.
a) 1                    b) 2
c) 3                    d) 4

22.  One complete angle is equal to _____ right angles.
a) 1                    b) 2
c) 3                    d) 4

23. What kind of angle is this?
a) Right                    b) Obtuse
c) Acute                   d) None of these

24.  What kind of angle is this?
a) Right                    b) Obtuse
c) Acute                   d) None of these

25.What kind of angle is this?
a) Right                    b) Obtuse
c) Acute                   d) Reflex

26. What kind of angle is this?
a) Right                    b) Complete
c) Acute                   d) Reflex

27. 79.5° is a right-angle angle. Mark True / False.
a) True                    b) False

28.  360° is a complete angle. Mark True / False.
a) True                    b) False

29. 187° is a straight angle. Mark True / False.
a) True                    b) False

30.90° is a right angle. Mark True / False.
a) True                    b) False

31.How many degrees are there in three right angles?
a) 90                     b) 180  c) 45                     d) 270

32.How many degrees are there in 2⁄5 right angles?
a) 28                     b) 30
c) 36                     d) 45

33. Two angles having the same measure are known as congruent angles. Mark True / False.
a) True                    b) False

 

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