Mathematics
Grade9
Easy

Question

Measure the following angle using a protractor.

  1. 48°
  2. 47°
  3. 45°
  4. 46°

hintHint:

General angle measurement using protractor.

The correct answer is: 45°


    * 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.
    Given That:
                       
    >>>The angle measurement using protractor includes the angle between the first ray start at 0 and then second ray is differentiated to angle between them.
    >>>Hence, the angle of measurement of the given figure is 45 degrees exactly.
    >>>Therefore, we can say that the angle of measurement of the given figure using protractor is 45 degrees. 

    Step 1:
    We line up one ray with 0°. We then read the angle measurement where the other ray crosses the protractor.
    Step 2:
    Reading from the protractor, the given angle measures 45°.
    >>>Therefore, the angle of measurement is 45 degrees.

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