bonjour
V 300 - V 147 = 10 V 3 - 7 V 3 = 3 V 3
V 150 / V 2 - V 12 = V 150 * V 2 / ( V 2 )² - 2V3
= V 300 /2 - 2 V 3 = 5V 3 - 2 V 3 = 3 V 3
AB = BC donc on a un carré
aire = ( 3 V 3 ) ² = 27
