| 1 |
If sin α < 0 and cos α > 0, then α lies in: |
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| 2 |
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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| 3 |
In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center: |
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| 4 |
The direction of an angle Θ is determined by its: |
- A. value
- B. magnitude
- C. ratio
- D. sign
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| 5 |
The quadrant of an angle Θ is determined by its: |
- A. sign
- B. value
- C. ratio
- D. magnitude
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| 6 |
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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| 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 |
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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 |
To convert any angle in radians into degrees, we multiply the measure by: |
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