Question # 1

In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center:

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s

k

r

Θ

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The angle between 0° and 360° and co-terminal with - 620° is:

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100°

200°

300°

320°

If cosec Θ > 0 and cot Θ < 0, then terminal arm of the angle lies in:

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I

II

III

IV

If s denotes the length of the arc intercepted on a circle of radius r by a central angle of α radians, then:

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s = rα

s = r + α

none of these

In a triangle if α > 45°, ß > 30° then Γ cannot be:

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90°

100°

120°

10°

- 72° = ___________________:

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none of these

If sin α < 0 and cos α > 0, then α lies in:

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I

II

III

IV

1 radian is equal to:

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180°

none of these

In circular system the angle is measured in:

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radians

degrees

degrees, minutes

degrees, seconds

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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rΘ

rs

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Mathematics FA Part 1 Chapter 9 Online Test MCQs With Answers

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