Asnerni n uqeclaw n usgufsu

Asnerni n lemri n usgufsu n usgufsu s talɣa n upiramid yettwagezmen

X - Width n lsas n ddaw.
Y - Lqedd n lpiramid.
F - Tiɣzi n llsas n ufella.
E - Tiwwurt n lsas n ufella.
G - Tiɣzi n wudem n yidis n tẓegwa. Apofema.
U - Angle n tmeẓẓuɣt n piramid.

Iḍrisen n uxelleṣ s lantirnat.

Aḥess-a yettaǧǧa-k ad tḥesbeḍ iferdisen n yiwen n upiramid yettwaqnen s tetrahedral s lsas n tmeẓẓuɣt. Aya d ayen i d-yettawin nnfeɛ i uḥess n tmeẓdiyin n usgufsu i tmeẓdiyin n tmes, tmeẓdiyin n tmeẓdiyin neɣ n barbecue, neɣ tmeẓdiyin n tmeẓdiyin n tmeẓdiyin.

Amek ara nessexdem leḥsab.

Fren lqidar s wacu ara d-yili uḥric n leḥsab. Efk-d lqidar d tɣemmar yettwassnen n tmeẓẓuɣt. Kned ɣef tqeffilt n Ḥess. S lmendad n lḥisab, ttwaxelqen-d yisura n tfelwit n tqacuct.
Iḍrisen sseknen-d lqidar n yiferdisen imaynuten i lmend n tmuɣli n tpiramit yettwaqnen.
Ttwaxelqen daɣen yisura : tamuɣli n zdat d tamuɣli n yidis.

Ma yella lqidar n E d lqidar n F, ihi ad yili lpiramid yettwaqnen s lqanun.
Ma yella lqidar-nni d E=0 d F=0, ihi ad yili lpiramid n uswir.

S lmendad n leḥsab, tzemreḍ ad d-tafeḍ:

Angle n tmeẓẓuɣt n tmeẓẓuɣt, ma yella ur yettwassen ara.
Aqesser n tɣemmar ɣef usnerni.
Tamnaḍt n ufella d wakk tiɣbula n yidis.
Tagzirt n llsas n ddaw.
Volume n tpiramit.
Dimensi n tfelwit n uxeddim.

Afad. Ur tettut ara ad ternuḍ lḥeqq i tfelwiyin akken ad tcuddeḍ iḥricen n tḥemla.