# Dilating a Polygon

## Read the directions and complete the problems below.

Step 1: Create a polygon. This time, let's create a regular polygon. A regular polygon is a polygon is that has all sides equal and all angles equal. A square is an example of a regular polygon.
a) Click the polygon tool and select regular polygon.
b) This tool will require you graph two points.

**(graph any two points)**c) Then enter the number of vertices.**(let's do 6 for this example)**Step 2: Decide which is your center of dilation. Use the point tool (2nd button) to plot a point, unless the point is a vertex of your polygon. Note: The point created needs to be dark blue. If you get a black dot or a light blue dot, delete it. Create a dot someplace else and move it to where you need it to be. Step 3: Dilating a) Click (8th button) and choose dilating from a point b) Click the polygon. c) Click the center of dilation d) Enter the scale factor. Note: If you move the vertices, the corresponding image point will appropriately change as well.**Problem #1: D 5(ABCDEF) with (0, 0) as the center of dilation.** **Problem #2:****D 1/5 (ABCDEF) with as Point A.*****Perform each transformation within this applet. ****Take a screen shot of your work (you will have problem #1 and problem #2 on one screenshot.) Insert it into the appropriate google slide. ***Geogebra will NOT save your work!!!!## Dilating a Polygon

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