| 1 |
To convert any angle in radians into degrees, we multiply the measure by: |
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| 2 |
If s denotes the length of the arc intercepted on a circle of radius r by a central angle of α radians, then: |
- A. s = rα
- B. s = r + α
- C.
- D. none of these
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| 3 |
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| 4 |
The area of a sector of a circular region of radius r with length of the arc of the sector equal to s is-----------: |
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| 5 |
Which one is not a quadrant angle ? |
- A. 0°
- B. 90°
- C. 280°
- D. 270°
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| 6 |
If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant: |
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| 7 |
1° is equal to: |
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| 8 |
If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant: |
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| 9 |
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| 10 |
In circular system the angle is measured in: |
- A. radians
- B. degrees
- C. degrees, minutes
- D. degrees, seconds
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