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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