Tāpiri ki makau
 
Tangohia te i makau

Tātaitai tātai pūwaenga

Tātaitai tātai pūwaenga taea ki a koe te tātai pūwaenga o te wāhanga raina i waenganui i rua ngā i roto i te rua ngā āhuatanga, mā te whakamahi i ratou taunga.

E tomo endpoints o te te wāhanga aho me ngā taunga B

Point He (x1, Y1): ( , )
Point B (x2, y2): ( , )
Tātai mō te kimi i te pūwaenga M o te wāhanga raina, me endpoints te (xa, ya) me te B (x2, y2):
Pūwaenga o te wāhanga raina