bonsoir
primevères = (4.6 x 1.8) / 2 = 4.14 m²
jonquilles = triangle de droite = (3.35 * 1.3) / 2 = 2.3075 m²
triangle de gauche = ( 1.25 * 1.3)/2 = 0.8125 m²
total jonquilles = 3.12 m²
aire totale jardin = 4.6 * 1.8 = 8.28 m
tulipes = 8.28 - ( 3.12 + 4.14) = 1.02 m²
