Igmad n unadi

...it n Ɛisa. Asekkud-a yesskan-d assaɣen yellan gar snat n teɣdiwin n yiwen akerdis.</big> <big><br />ili akerdis ABC, d sin igazen D akked E. D seg uzrig (AB) d E seg uzrig (AC), am wakke ...

[[Tugna:Sincostan pythagoras triangle.png|vignette|<big>udem 2 :akerdis s yidisen a,b akked alubdis c</big>]] <big>ad yili akerdis s yidisen a akked b , akked alubdis c , ad nessexdem kuẓ seg sen akken ad n ...

...en illant waṭas n tiftarin yettwassnen i tjummiwin n talɣiwin ifraren am [[Akerdis|ikerdisen]] d [[asrem|iserman]] d [[tawinest|twinas]]. S usemres n taftarin * Tajumma n [[Akerdis|ukerdis]] = ½ × azadur × tiddi, s tira deg tugna: <math> A = b.h/2 </math> ...