Tafrant n Uɣerbal
Tamaquette-a tettamen ad twaliḍ tafrant n uɣerbal. Beddel ṭul akked tehri-s, tẓer amek i tettbeddil tafrant.
Ldi aɣbaluIsteqsiyen ɣef tmudemt-a 3D
Amek i tḥesseb tazemz n tsrisi (rectangle)?
Zerrib tirawt-is s tehri-s: A = L × W. Tasrisi s tehri n 5 cm d tirawt n 3 cm, tazemz-is d 15 cm². Ilaq imeẓẓuɣen-nni-ines di sin ad sqedcen anagal yiwen n tsekla.
D acu-t uwezzil gar tazemz d tama?
Tazemz tḥesseb tasuddemt n daxel n tsrisi, tseqdec tisekla n taẓẓa (square units). Tama tḥesseb teɣzi i d-tezzi i tlisa-ines, tegga 2 × (tirawt + tehri). Teqeddel tisekla n teɣzi.
Iɣbula: OpenStax