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Þrīecge

Fram Wikipǣdian
(Edlǣded of Þrīhyrneġesceap)

Þrīecge

Þrīecge
Rindenes 3
Sclæfligruna {3} (þāra samaflanc)
Oferside Manigfult
Innehyrne (grādum) 60° (þāra samaflanc)
Ymbhātweard perimeter of the polygon

Sēo Þrīecge (Niwenglisc: triangle) is a ġesċeap ƿiþ þrīh hyrneġen.

Gesceapu
Þrīhyrn CēplereĠetælhyrneSamaflancSċeorthyrneRihtTwāflancǷilnunȝ
Fēowerecge Antiparallelogram • Bicentric • Crossed • Cyclic • Equidiagonal • Ex-tangential • Harmonic • Isosceles trapezoid • Kite • Orthodiagonal • Parallelogram • Langfēowerecge • Right kite • Right trapezoid • Rhombus • Fēowertynefeald • Tangential • Tangential trapezoid • Ungewunelic
By flanccounten
(1–10)
Ānecge (1) • Twāecge (2) • Þrīecge (3) • Fēowerecge (4) • Fifecge (5) • Seoxecge (6) • Seofonecge (7) • Eahtaecge (8) • Nigonecge (9) • Tīenecge (10)
By flanccounten
(11–20)
Endleofanecge (11) • Tƿelfecge (12) • Þrēotīeneecge (13) • Fēowertīeneecge (14) • Fīftīeneecge (15) • Seoxtīeneecge (16) • Seofontīeneecge (17) • Eahtatīeneecge (18) • Nigontīeneecge (19) • Tƿēntiġecge (20)
Steorraġesceapu Fīfhyrnedesteorra • Pentagram • Hexagram • Heptagram • Octagram • Enneagram • Decagram • Hendecagram • Dodecagram