Mathematics
Grade9
Easy

Question

Identify whether the angle is acute, obtuse, right or straight

  1. Right angle
  2. Acute angle
  3. Obtuse angle
  4. Straight angle

hintHint:

Measure with a protractor to verify the angle between the given rays.

The correct answer is: Right angle


    * An angle is formed when two straight lines or rays meet at a common endpoint. The common point of contact is called the vertex of an angle.
    * The symbol ∠ represents an angle. Angles are measured in degrees (°) using a protractor.
    *Based on their measurements, here are the different types of angles:
    =>An acute angle measures less than 90° at the vertex.
    =>An obtuse angle is between 90° and 180°.
    =>A right angle precisely measures 90° at the vertex.
    =>An angle measuring exactly 180° is a straight angle.
    =>A reflex angle measures between 180°- 360°.
    =>A complete angle measures 360°.
    Given That:
                        
    >>From figure, the angle of measurement of the given figure is exactly equals to 90 degrees.
    >>>Therefore, the angle is right angle.

    Step 1:
    Given angle is equal to 90.
    Step 2:
    So, the given angle is a right angle.
    >>Hence, the angle of measurement is right angle.

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