How to Draw 180 Degree Angle Using Protractor

Steps to draw a 180 degree angle using a protractor are illustrated below:

  • Draw a straight line on your paper using a ruler. Name this line as OA.

  • Position the protractor so that its center point aligns with one of the endpoint of the line, let it be O.

  • On the protractor scale, locate and mark the 180-degree reading. This mark is directly opposite the 0-degree mark. Name this point as B.

  • Draw a straight line using your ruler from A to the point B.

  • The angle formed, i.e. AOB is the required 180-degree angle.

180 Degree Angle

180-degree angle is an angle formed when two lines or rays extend in opposing directions from a common point, producing a perfectly straight line. It is also called a straight angle.

In this article, we will learn about 180-degree angles, how to measure 180-degree angles, properties of 180-degree angles along with a few examples based on it.

Table of Content

  • What is 180 Degree Angle?
  • How to Draw 180 Degree Angle Using Compass
  • How to Draw 180 Degree Angle Using Protractor
  • Properties of 180 Degree Angle
  • Solved Examples on 180 Degree Angle
  • FAQs on 180 Degree Angle

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