Kalkil kantite materyel pou bann miray extern

Kalkil lor miray

Silvouple indik dimansion an santimet

X - Larzer miray gable
Z - Longer miray kote
Y - Oter kot gable ridge
H - Oter miray dan kwin
F - Oter dan bor miray kote
T - Epeser miray

Program-la pou ed kalkil kantite materyo konstriksion pou bann miray extern enn lakaz an brik, an blok, an dibwa ouswa an kad.
Spesifie oter kot gable ridge egal a oter miray-la si ou pe kalkil bann miray enn letaz.