## Grade 8 Quarter 3 Constructing Perpendicular Bisector

# Constructing Perpendicular Bisector Using Compass and Straight Edge

In this lesson, I will be constructing a perpendicular bisector using a compass and straight edge. Everything will be explained in Filipino.

What is a perpendicular bisector?

A perpendicular bisector is a line that meets a given line segment at a right angle and cuts the given line segment into two equal halves.

Here are the steps in constructing a perpendicular bisector of a line segment AB using a compass and a straight edge.

**Step 1: **Place the compass at point A. Adjust the compass to just over half of AB. Draw an arc.

**Step 2: **Place the compass at point B. Adjust the compass to just over half of AB. Draw an arc.

**Step 3**: Get the intersection of the two arcs.

**Step 4:** Connect the two points. You now have the perpendicular bisector of segment AB.

Check what you’ve learned in this lesson using the following exercises:

You may also try this perpendicular bisector calculator.

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