Construction of 120° Angle

Steps to construct 120º angle with compass and ruler are provided.

Construction of 120º Angle 

Step 1-

Draw a line AB

Steps to construct 120° angle with compass and ruler of NCERT Chapter Practical Geometry

Step 2-

Draw an arc with A as a centre which cuts AB at point C.

 

Step 3-

Draw another arc with same radius at C that cuts arc at point D.

 

 

Step 4-

Draw another arc with same radius at D that cuts arc at point E.

 

 

Step 5-

Join A and E. ∠EAB = 1200

 

Steps to construct 120° angle with compass and ruler of NCERT Chapter Practical Geometry

Helping Topics

Practical Geometry

Construction of 30° angle

Construction of 60° angle

Construction of 75° angle

Construction of 90° angle

Construction of 105° angle

 

 

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