Mathematics MCQs Chapter 9 - LearnoSpot by PLS

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Created on January 21, 2022 By Ali Durrani

Math Ch 9 Fundamentals of Trigonometry

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1 / 32

One right angle is equal to

?/2 ??????

90°

1/4 ????????

All of these

2 / 32

Straight line angle is equal to

1/2 ????????

? radian

180°

All of these

3 / 32

One rotation in anti-clock wise direction is equal to:

180°

270°

360°

90°

4 / 32

5 / 32

Two rays with a common starting point form:

Triangle

Angle

Radian

Minute

6 / 32

The common starting point of two rays is called:

Origin

Initial Point

Vertex

All of these

7 / 32

If the rotation of the angle is counter clock wise, then angle is:

Negative

Positive

Non-Negative

None of these

8 / 32

Sexagesimal system is also called

German System

English System

C.G.S System

SI System

9 / 32

1° is equal to

360′′

3600′′

( 1 /360 )′

60′′

10 / 32

0°, 90°, 180°, 270° and 360° are called

Coterminal angle

Quadrantal angl

Allied angle

None of these

11 / 32

An angle is in standard position , if its vertex is

At origin

at ? − ????

??? − ????

in 1st Quad Only

12 / 32

Angles with same initial and terminal sides are called:

Acute angles

Allied Angles

Coterminal angles

Quadrentel angles

13 / 32

3 radian is:

171.888°

120°

300°

270°

14 / 32

1 radian is equal to:

57.296°

5.7296°

175.27°

17.5276

15 / 32

Relation between the length of arc of a circle and the circular measure of it central angle is:

? = ? ?

? = ??

? = ?/ ?

? = 1 /2 ? ^ 2?

16 / 32

The system of angular measurement in which the angle is measured in radian is called:

Sexagesimal System

Circular System

English System

Gradient System

17 / 32

The angle subtended at the center of a circle by an arc whose length is equal to the radius of
the circle is called:

1 Degree

1’

1 Radian

1’’

18 / 32

19 / 32

20 / 32

21 / 32

The system of angular measurement in which the angle is measured in radian is called:

Sexagesimal System

Circular System

English System

Gradient System

22 / 32

The angle subtended at the center of a circle by an arc whose length is equal to the radius of
the circle is called:

1 Degree

1’

1 Radian

1’’

23 / 32

24 / 32

??°??′ equal to

16.5°

32°/2

16.05°

16.2°

25 / 32

Sexagesimal system is also called

German System

English System

C.G.S System

SI System

26 / 32

One right angle is equal to

?/2 ??????

90°

1/4 ????????

All of these

27 / 32

Straight line angle is equal to

1/2 ????????

? radian

180°

All of these

28 / 32

One rotation in anti-clock wise direction is equal to:

180°

270°

360°

90°

29 / 32

30 / 32

If the rotation of the angle is counter clock wise, then angle is:

Negative

Positive

Non-Negative

None of these

31 / 32

The common starting point of two rays is called:

Origin

Initial Point

Vertex

All of these

32 / 32

Two rays with a common starting point form:

Triangle

Angle

Radian

Minute

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