Þrīhyrne
| Þrīhyrne | |
|---|---|
 Þrīhyrne | |
| Rindenes | 3 |
| Sclæfligruna | {3} (þāra samaflanc) |
| Oferside | Manigfult |
| Innehyrne (grādum) | 60° (þāra samaflanc) |
| Ymbhātweard | perimeter of the polygon |
Sēo þrīhyrne (Niwenglisc: triangle) is a ġesċeap ƿiþ þrīh hyrneġen.
| Gesceapu | |
|---|---|
| Þrīhyrn | Cēplere • Ġetælhyrne • Samaflanc • Sċeorthyrne • Riht • Twāflanc • Ƿilnunȝ |
| Fēoworhyrne | Antiparallelogram • Bicentric • Crossed • Cyclic • Equidiagonal • Ex-tangential • Harmonic • Isosceles trapezoid • Kite • Orthodiagonal • Parallelogram • Rectangle • Right kite • Right trapezoid • Rhombus • Fēowertynefeald • Tangential • Tangential trapezoid • Trapezoid |
| By flanccounten (1–10) |
Ānhyrne (1) • Twāhyrne (2) • Þrīhyrne (3) • Fēoworhyrne (4) • Fifhyrne (5) • Seoxhyrne (6) • Seofonhyrne (7) • Eahtahyrne (8) • Nigonhyrne (9) • Tīenhyrne (10) |
| By flanccounten (11–20) |
Endleofanhyrne (11) • Tƿelfhyrne (12) • Þrēotīenehyrne (13) • Fēowertīenehyrne (14) • Fīftīenehyrne (15) • Seoxtīenehyrne (16) • Seofontīenehyrne (17) • Eahtatīenehyrne (18) • Nigontīenehyrne (19) • Tƿēntiġhyrne (20) |
| Steorraġesceapu | Fīfhyrnedesteorra • Pentagram • Hexagram • Heptagram • Octagram • Enneagram • Decagram • Hendecagram • Dodecagram |