Polygon

Creates an equilateral closed polyline

Different between Inscribed and Circumscribed
Number of sides: 3 ~ 1024

Draw a circle

Enter 500 for radius

Home tab > Draw panel > Polygon

Enter number of side: 5

Snap to the center of the circle

Select Inscribed in circle

Enter 500 for the radius

Repeat Polygon command

Press Enter to use the previous side 5

Snap to the center point and select Circumscribed about circle

Snap to the top point of the 1st polygon

Repeat Polygon command
Press Enter to use the side 5

Command line: Edge

Snap to left point of the last polygon
Snap to the right point

Repeat the same steps
Snap to base from left to right

Repeat the same steps create the 3rd polygon

Create the 4th polygon

Create the 5th polygon

Delete the circle