Types of Angles


 
 
Concept Explanation
 

Types of Angles

The corners made by the intersection of two lines or line segments are called Angles. Types of angles:

  • Acute Angle: An angle between 0 and 90 degrees.
  • Right Angle: An 90 degree angle.
  • Obtuse Angle: An angle between 90 and 180 degrees.
  • Straight Angle: A 180 degree angle.
  • Reflex Angle: An Angle more than 180 degree is called a reflex angle.
  • Complete Angle: An angle of 360 degrees
  • IllustrationIf an angle has measure equal to large 130^{0} .Then it is a type of which angle ?

    SolutionAs we know that an angle whose measure lies in between 90 and 180 degrees is an obtuse angle. Hence large 130^{0} is an obtuse angle.

    IllustrationIf an angle has measure equal to large 65^{0} .Then it is a type of which angle ?

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    Sample Questions
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    Question : 1

    Which of the following is an acute angle ?

    Right Option : C
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    Explanation
    Question : 2

    When an arm of an angle is extended then the measure of angle ______________________

    Right Option : C
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    Explanation
    Question : 3

    An angle which measures 90degree is called __________________.

    Right Option : C
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    Explanation
     
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