Octagon A stop sign is an octagon: 
The area of a regular octagon, if you know the length of a side (s), is: A = 2 (1 + √ 2) s2 or, approximately, 4.8284 s2 |
OctagonA stop sign is an octagon:
The area of a regular octagon, if you know the length of a side (s), is: A = 2 (1 + √ 2) s2 or, approximately, 4.8284 s2 |