| 1 |
|
|
| 2 |
- 72° = ___________________: |
none of these
|
| 3 |
The angle between 0° and 360° and co-terminal with - 620° is: |
100°
200°
300°
320°
|
| 4 |
The quadrant of an angle Θ is determined by its: |
sign
value
ratio
magnitude
|
| 5 |
The direction of an angle Θ is determined by its: |
value
magnitude
ratio
sign
|
| 6 |
If s denotes the length of the arc intercepted on a circle of radius r by a central angle of α radians, then: |
s = rα
s = r + α
none of these
|
| 7 |
In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center: |
s
k
r
Θ
|
| 8 |
The area of a sector of a circular region of radius r with length of the arc of the sector equal to s is-----------: |
rΘ
rs
|
| 9 |
In circular system the angle is measured in: |
radians
degrees
degrees, minutes
degrees, seconds
|
| 10 |
The system of measurement in which the angle is measured in degrees, and its sub-units, minutes and seconds is called the: |
circular system
sexagesimal system
decimal system
degree system
|
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