10th Class Maths MCQ with Answers Chapter 7

1^o = …………….

175 radians

0.175 radians

0.0175 radians

1.75 radians

If an object is above the level of observation then angle formed between the horizontal line and observer’s line of sight is called:

Angle of elevation

Angle of dispersion

None of these

Obtuse angle

In which quadrant only tan? and cot? are positive.

III

IV

I

II

A circle of radius ‘r’ has area:

2?r²

1/2?r

?r²

2?r

A line which has only one point in common whit a circle is called:

sector

chord

tangent

secant

Angles between 180^o and 270^o are to which quadrant?

III

II

IV

I

?/6 radians = ………………..

90^o

60^o

45^o

30^o

In which quadrant? lie when Sin?> 0, tan?< o ?

IV

III

II

I

?/4 radians =………………………

45^o

60^o

90^o

30^o

Sin 30^o =…………………

2/?3

1/2

2

?3/2