DNB 2021 CENTRES ETRANGERS ? CORRIGE EXERCICE 1 :
... 10 + 24 + 26 = 60 mm. Aire = SR × ST. 2. = 10 × 24. 2. = 120 mm².. STR = arccos (. ST. RT. ) = arccos(. 24. 26. ) ? 23°.. SRT = 90 ?. STR ? 67°. 10 + ...
... 10 + 24 + 26 = 60 mm. Aire = SR × ST. 2. = 10 × 24. 2. = 120 mm².. STR = arccos (. ST. RT. ) = arccos(. 24. 26. ) ? 23°.. SRT = 90 ?. STR ? 67°. 10 + ...