regular octagon (Q16156662)
convex regular polygon with 8 sides
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Current Data About regular octagon
(P18) Image Provided By https://upload.wikimedia.org/wikipedia/commons/6/66/Regular_octagon.svg

(P279) (Q166080)

(Q97150652)
(P155)
(P156)

(Q268132)

(P373) Regular octagons

(P1312) (Q26382)
(P1114) 8

(P1322) (Q16156662)

(P1552) (Q3799068)
(P2534) r=\left(\frac{1+\sqrt{2}}{2}\right)a

(Q3678113)
(P2534) R=\left(\frac{\sqrt{4+2\sqrt{2}}}{2}\right)a

(Q15921574)
(P2534) A=2 \operatorname{ctg} \frac{\pi}{8} a^2 = 2 a^2 (\sqrt{2} + 1)

(Q28474)
(P2534) P=8a

(P1889) (Q166080)

(P3228) {8}

(P6104) (Q8487137)

other details
aliases octagon
 regular 8-gon
 8-gon
description convex regular polygon with 8 sides

External Links
(P2671) /g/121z21fc
(P2812) RegularOctagon
(P9997) oc