xisaabinta of derbiga
Cadee cabbir ee sentimitir
X - width ee derbiga Gable
Z - Dhererka derbiga dhinaca
Y - height of Ridge pediment ah
H - height ee derbiga dul geeska
F - Ridge height sidewall
T - derbiga oo dhumucdiisuna
Barnaamijka xisaabin doonaa qadarka dhismaha qalabka derbiyo bannaanka leben, block, guriga bar-qaabeeya ama jir.
Sheeg height of xigtaa derbiga iyo Gable of height isku mid ah, haddii rabto derbiyadii mid dabaqa.