Class 9 Mathematics · Chapter 6 · Test 1
Angles, Degrees and Radians
40 MCQs
40 questions · 35 min · 40 marks
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Sample questions
The first 5 of 40. Try each one, then tap to see the answer.
Question 1
A plane figure formed by two rays sharing a common end point is called:
- Aa triangle
- Ban angle
- Ca polygon
- Da sector
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Answer: B
An angle is formed by two rays with a common end point.
Question 2
The common end point of the two rays of an angle is called the:
- Ainitial side
- Bterminal side
- Carc
- Dvertex
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Answer: D
The common end point of the rays is the vertex of the angle.
Question 3
An angle is in standard position if its vertex is at the origin and its initial side lies along the:
- Apositive x-axis
- Bnegative x-axis
- Cpositive y-axis
- Dnegative y-axis
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Answer: A
The initial side of a standard position angle lies along the positive x-axis.
Question 4
An angle is positive if its terminal side is rotated from the initial side:
- Aclockwise
- Bupward only
- Ccounterclockwise
- Dtoward the y-axis
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Answer: C
Counterclockwise rotation gives a positive angle.
Question 5
A negative angle is formed when the terminal side is rotated:
- Acounterclockwise
- Bclockwise
- Cby 0°
- Dby 360° only
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Answer: B
Clockwise rotation gives a negative angle.
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