Leḥsab n tesga s 90° n tikli

Leḥsab n tesga s tmuɣli n 90°

Ttxil-k sken-d lqidar ilaqen. deg yimilimitren

X - Tiɣzi n teldi ara yeṭṭef usliḍ
Y - Taɣzi seg uswir n lqaɛa n lqaɛa tamezwarut ar uswir n lqaɛa n lqaɛa tis snat
E - Tewri n usliẓri
F - Aɛeddi n isurifen
Z - Taɣect n usurif

C - amḍan n yal iswiren
P - Amḍan n isurifen + annar n wurar

Leḥsab n tmeẓdiyin yettwaɛerḍen d ayen ixuṣṣen kra n leḥsab n tmeẓdiyin srid.
Leḥsab n tmeẓẓuɣt n tmeẓẓuɣt yettwaḥseb s useqdec n tfelwit i d-yesbedden tuɣzi n tmeẓẓuɣt.
Tiɣzi n tfekka n umdan tella gar 60 ar 66 cm, s tlemmast n 63 cm.
Asslaḍ igerrzen yettemcabi ɣer talɣa: 2 n teɣziwin n yisuḍaf + Lqedd n usurif = 63±3 sm.

Asenqes n tmeẓdiyin i d-yettawin lxir akk d win n 30° ar 40°.
Ilaq lqedd n tfelwiyin n tfelwiyin ad yili d win i d-yettawin lqidar n tceṭṭiḍt 45 - ur d-yettili ara ddaw n 28-30 cm.
Lexṣaṣ n telqi yezmer ad yettwaxelleṣ s tmeẓẓuɣt n tmeẓẓuɣt.
Ilaq ad yaweḍ lqedd n tmeẓẓuɣt alamma d 20-25 cm.

Tzemreḍ daɣen ad taweḍ s lfayda n tmeẓdit yettwaɛerḍen s ubeddel n lqedd n tmeẓdit.

Ahil ad d-yessuffeɣ isura n yiwen n usqif yettwaɛerḍen s tɣemmar d tɣawsiwin timeqranin.
Iḍrisen-a sseknen-d lqidar amatu n tmeẓdiyin, tignatin n tqacuct n tmeẓdiyin ɣef yiferdisen, tiɣemmar n tmeẓdiyin d lqidar agejdan n tmeẓdiyin s timmad-nsent.