MCQ Questions

Question No. 1

Name the type of angle.

Answer :

a)

b)

c)

d)

Question No. 2

Calculate the size of each angle marked with an arc.

Answer :

a)

b)

Question No. 3

How many turns are formed by these angles?

Answer :

a) 420°

b) 450°

c) 540°

d) 1080°

Question No. 4

State whether the following angles are acute, obtuse, right angle or reflex.

Answer :

a) 32°

b) 96°

c) 145°

d) 293°

e) 352°

f) 123°

Question No. 5

In the following diagram name two right angles, two obtuse angles and two acute angles.

Answer :

a) Two right angles

b) Two obtuse angles

c) Two acute angles

Question No. 6

Draw an analogue clock with the hour hand at 12 noon and the minute hand at 12. How many turns has the hour hand made at?

Answer :

a) 1 o’clock

b) 4 o’clock

c) 7 o’clock

d) 9 o’clock

e) 12 midnight

Question No. 7

Use a protractor to accurately measure the five angles shown in the diagrams.

Answer :

a) (diagram a)

b) (diagram b)

c) (diagram c)

d) (diagram d)

e) (diagram e)

Question No. 8

Complete the following statements:

Answer :

a) 2/5 turn = … degrees

b) 4/3 turns = … degrees

c) 31/36 turns = … degrees

d) 2 revolutions = … degrees

e) 135° = … turns

Question No. 9

Use a protractor, a ruler and a sharp pencil to construct angles with the following sizes.

Answer :

a) ∠ABC = 26°

b) ∠DEF = 120°

c) ∠PQR = 200°

d) ∠XYZ = 345°

e) ∠NBM = 255°

Question No. 10

Consider the diagram below.

Answer :

a) Name four vertices.

b) Name all the adjacent angles.

c) Name all the angles around a point.

Question No. 11

State the angle vertically opposite.

Answer :

a) x

b) y

c) t

Question No. 12

Calculate the values of the missing angles.

Answer :

a)

b)

c)

d)

Question No. 13

In the diagram on the right, measure ∠R₁ and ∠R₂ to determine their sizes. What do the angles add up to?

Answer :

Question No. 14

What is the complement of 30°?

Answer :

Question No. 15

68° is the complement of …?

Answer :

Question No. 16

41° is the supplement of …?

Answer :

Question No. 17

What is the supplement of 83°?

Answer :

Question No. 18

The complement of x is …?

Answer :

Question No. 19

What is the supplement of 90° − x?

Answer :

Question No. 20

90° − x is the complement of …?

Answer :

Question No. 21

Is it possible to have a complement of 90° + x? Explain.

Answer :

Question No. 22

Decide whether the following sets of numbers are complementary, supplementary or neither.

Answer :

a) 26° and 54°

b) 45°, 89° and 46°

c) 35° and 65°

d) 124° and 56°

Question No. 23

Find the unknown angles.

Answer :

a)

b)

c)

d)

Question No. 24

Find the value of angle x.

Answer :

a)

b)

c)

d)

Question No. 25

Find the value of the unknown angle in each of the triangles.

Answer :

a)

b)

c)

d)

Chapter

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