Question # 1

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

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90°

100°

120°

10°

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

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I

II

III

IV

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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30°

45°

60°

75°

The system of measurement in which the angle is measured in degrees, and its sub-units, minutes and seconds is called the:

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circular system

sexagesimal system

decimal system

degree system

1 radian is equal to:

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180°

none of these

The quadrant of an angle Θ is determined by its:

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sign

value

ratio

magnitude

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

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I

II

III

IV

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11th Class FSC Mathematics Chapter 9 Test Online MCQs With Answers

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