Editing SWDEFRGTH (section)

= '''Read more Worked Example''' =

Suppose a square altar has a side length of 1 unit. Its area is therefore 1 square unit. The diagonal has length √2, approximately 1.4142 units. If a construction requires this diagonal, the traditional approximation provides a practical value that can be marked using a measuring cord.

{| class="wikitable"
|-
! '''Step'''
! '''Operation'''
! '''Result'''
|-
| 1
| Start with a unit square
| Side = 1; Area = 1
|-
| 2
| Add one-third
| 1 + 1/3 = 1.3333…
|-
| 3
| Add one-twelfth
| 1.4166…
|-
| 4
| Subtract 1/408
| 1.414215…
|-
| 5
| Compare with √2
| Difference is very small
|}

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