7.3 Angle Bisectors

Angle Bisectors

In this section, we will learn how to draw angle bisectors. An angle bisector divides an angle into two equal parts. First, we will be given an angle and asked to measure it using a protractor. Second, we will divide this angle measurement in half and then mark and label the halfway point. Next, we will use a ruler to draw a line segment from our labelled halfway point to the angle we are bisecting. This line segment is our angle bisector. Finally, we mark the resulting two equal angles with the same symbol. Angle bisectors can be found everywhere in the world around us. For example, angle bisectors are found in tent poles, kites, as well as in the structural supports of buildings and bridges.

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Angle Bisectors

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