An loidhne dhìreachLoidhneachan sònraichte ann an triantan

Lorg caisead, co-aontaran, trasnaidhean loidhneachan-meadhain, loidhneachan àirde is letheadairean ceart-cheàrnach a' cleachdadh eòlas air a' phuing-meadhain is loidhneachan co-shìnte/ceart-cheàrnach.

Part ofMatamataigCleachdadh

Loidhneachan sònraichte ann an triantan

Thoir sùil air na diagraman agus chì thu eisimpleirean dhe na loidhneachan sònraichte ann an triantan.

Loidhne-meadhain

The median joins a vertex to the midpoint of the opposite side

Earrann de loidhne bhon ghob chun na puing-meadhain air an taobh mu choinneamh.

Àirde

The altitude is a line through a vertex perpendicular to the opposite side

Earrann de loidhne tro ghob agus ceart-cheàrnach ris an taobh mu choinneamh.

Letheadair ceàirn

An angle bisector and a perpendicular bisector of a side

Loidhne tro ghob a tha a' gearradh a' cheàirn ann an dà cheàrn cho-ionann.

Seantroid

Triangle with three concurrent medians meet at G, the centroid of the triangle

Ortoseantair

Triangle with three concurrent altitudes meet at H, the orthocentre

Trasnadh nan trì loidhneachan-àirde aig triantan.