how to draw a regular polygon triangle using 360 degrees protractor

Materials:   paper, ruler, pencil, 360 degrees protractor, eraser and crayons.

1. place the 360 degrees protractor on the paper. the 0 degrees above the y- axis.

2. Mark the following degree measure 0 degree, 120 degrees and 240 degrees
    as shown in the figure below.

 

3. Remove the protractor and connect the points and color  . Now,  it's a triangle