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 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 |
In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center: |
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6 |
Which one is not a quadrant angle ? |
- A. 0°
- B. 90°
- C. 280°
- D. 270°
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7 |
1 radian is equal to: |
- A.
- B.
- C. 180°
- D. none of these
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8 |
- 72° = ___________________: |
- A.
- B.
- C.
- D. none of these
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9 |
If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant: |
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10 |
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