Question # 1

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

The direction of an angle Θ is determined by its:

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value

magnitude

ratio

sign

1° is equal to:

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- 72° = ___________________:

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none of these

Which one is not a quadrant angle ?

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0°

90°

280°

270°

To convert any angle in degrees into radians, we multiply the measure by:

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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

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

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

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90°

100°

120°

10°

If sin Θ + cosec Θ = 2, then sin² Θ + cosec² Θ =

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2

4

0

8

If the initial side of an angle is the positive x-axis and the vertex is at the origin, the angle is said to be in the _____________:

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initial position

finalposition

normalposition

standardposition

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

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