Răspuns :
A dreptunghi= l*L=4√27*2√12=12√3*4√3=48*3=144 cm² iar aria patrat=l²=(8√3)²=192 cm² => aria dreptunghi< aria patrat
Aria dreptunghi = 4√27·2√12 = 4·2·√(27·12) = 8·√324 = 8·18 =144
Aria pătrat = (8√3)² = 8²·(√3)² = 64·3 =192
Aria pătrat = (8√3)² = 8²·(√3)² = 64·3 =192