Homework 2 - Since we need to start counting from zero (where the line isĮven) we use the top scale to determine the measure of the angle.Use of a protractor that has the shape of a semi-circle and two scales marked from 0° to 180° in both directions. Homework 1 - A protractor is used to measure angles.It really helps to do a few of these as a class. ![]()
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