Material Required Procedure
Step 1 Draw a triangle ABC.
Step 2 Draw exterior angles by producing the sides in either clockwise or anticlockwise direction, as shown. Label them as angle 1, angle 2 and angle 3.
Step 3.Cut the exterior angles.
Step 4. Place the exterior angle cut outs as shown below.
Step 6. Draw any quadrilateral ABCD on a rectangular sheet of paper.