To bisect is to cut into two equal parts. To bisect a line segment is to cut the line segment into two parts.
|1||Start with line segment AB.|
|2||Draw a circle with center at A and edge at B.|
|3||Draw a circle with center at B and edge at A.|
|4||Label the intersections of two circles as C and D.|
|5||Draw line CD. This is the bisector of the line segment.|
|6||Label the intersection of AB and CD as point E. This is the midpoint of points A and B.|
Use the GeoGebra application below to construct the bisector and midpoint of line segment AB.
To change the manipulative, first click on the arrow menu button. Then click on the blue points and drag them to change the figure.
|Table 1: Bisecting a line segment.|
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