Suppose we are given angle A

We need to draw its copy

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Let’s follow these steps

1.Draw a ray OP

Constructing a copy of a given angle - Part 2

 

  1. From point A, draw an arc of any radius
    intersecting the sides at B & C
    Constructing a copy of a given angle - Part 3

  2. Using compass opened the same length,

    draw an arc with point O as the center,

    cutting OP at Q

    Constructing a copy of a given angle - Part 4


  3. Now, back to our angle A.
    Open compass to length BC
    Constructing a copy of a given angle - Part 5

  4. Keeping the same radius,
    Put pointed end of compass on point Q, and draw an arc.
    The point where it cuts previous arc is point R.
    Constructing a copy of a given angle - Part 6

  5. Join OR
    Constructing a copy of a given angle - Part 7


    Thus, ∠ ROQ is the copy of ∠ A

  1. Chapter 14 Class 6 Practical Geometry
  2. Concept wise

About the Author

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.