Hi everyone and welcome to another fabulous week of MathSux! I bring to you the first construction of the back to school season! In this post, we are going to go over the** angle bisector** definition and example. First, we will define what an angle bisector is, then we’ll take our handy dandy compass and straight edge to construct an angle bisector that will bisect an angle for any size! Check out the video and GIF below for more and happy calculating! ðŸ™‚

## What is an **Angle Bisector? **

A line that evenly cuts an angle into two equal halves, creating two equal angles.

**Angle Bisector Example: **

**Step 1:** Place the point of your compass on the point of the angle.

**Step 2:** Draw an arc that intersects both lines that stem form the angle you want to bisect.

**Step 3:** Take the point of your compass to where the lines and arc intersect, then draw an arc towards the center of the angle.

**Step 4:** Now keeping the same distance on your compass, take the point of your compass and place it on the other point where both the line and arc intersect, and draw another arc towards the center of the angle.

**Step 5:** Notice we made an intersection!? Where these two arcs intersect, mark a point and using a straight edge, connect it to the center of the original angle.Â

**Step 6:** We have officially bisected our angle into two equal 35Âº halves.

** *Please note that the above example bisects a 70Âº angle, but this construction method will work for an angle of any size!**ðŸ™‚

What do you think of the above angle bisector definition & example? Do you use a different method for construction? Let me know in the comments below! ðŸ™‚

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Looking for more constructions? Check out how to construct a square inscribed in a circle and an equilateral triangle by clicking on their respective links!

AnAngle Bisector Definition & Example