| 1 |
The system of measurement in which the angle is measured in degrees, and its sub-units, minutes and seconds is called the: |
- A. circular system
- B. sexagesimal system
- C. decimal system
- D. degree system
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| 2 |
If sin Θ + cosec Θ = 2, then sin<sup>2</sup> Θ + cosec<sup>2</sup> Θ = |
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| 3 |
To convert any angle in radians into degrees, we multiply the measure by: |
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| 4 |
180° = _____________: |
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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 |
(1 - sin<sup>2</sup>Θ) (1 + tan<sup>2</sup>Θ) = |
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| 7 |
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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| 8 |
The number of radius in the angle subtended by an arc of a circle at the center = |
- A. radius × arc
- B. radius - arc
- C.
- D.
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| 9 |
1° is equal to: |
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| 10 |
In a triangle if α > 45°, ß > 30° then Γ cannot be: |
- A. 90°
- B. 100°
- C. 120°
- D. 10°
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