Mathematics
Grade9
Easy

Question

Classify the given angle.

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

hintHint:

General representation of an acute angle.

The correct answer is: Acute 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 measure is less than 90 degrees.
    >>>Hence, we can say that the angle of measure is called as acute angle.

    Step 1:
    Given angle is less than 90°.
    Step 2:
    So, the given angle is an acute angle.
    >>>Then, the angle of measure is an acute angle.

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