Fig. 6. Use of Steel Square to Find Miter and Side of Hexagon.
If the length of the inscribed diameter be 8 feet, then the sides would be 8 × 823⁄32 inches.
The figures to use for other polygons are as follows:
| Triangle | 2025⁄32 |
| Square | 12 |
| Hexagon | 7 |
| Nonagon | 4⅜ |
| Decagon | 3⅞ |
In [Fig. 6] the same process is used in finding the miter and side of the hexagon polygon.
To find the degree line, 360 is divided by 6, the number of sides, as follows:
360 ÷ 6 = 60; and 60 ÷ 2 = 30 degrees.
Now, from 12 on tongue, draw a line making an angle of 30 degrees with the tongue. It will cut the blade in 7 as shown; and from 7 to m, the heel of the square, will be the length of the side. From 6 on tongue, erect a line to cut the degree line in c; and with c as center, describe a circle having the radius of c 7; and around the circle, complete the hexagon by taking the length 7 m with the compass for each side, as shown.
