Question # 1

180° = _____________:

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π radians

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30°

45°

60°

75°

The direction of an angle Θ is determined by its:

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value

magnitude

ratio

sign

The number of radius in the angle subtended by an arc of a circle at the center =

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radius × arc

radius - arc

(1 - sin²Θ) (1 + tan²Θ) =

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0

1

Θ

-1

Which one is a quadrant angle ?

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60°

180°

120°

30°

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

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

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1° is equal to:

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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

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

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