Sagot :
bonjour
(30 x 18 ) / 2 = 270
aire zone de jeux = 270 m²
80 m² = 1 sac
270 m² = 3.375 = 4 sacs
4 x 8.35 = 33.4 €
AT/AC = AS/AB = TS/CB
30/40 = 18 /CB
CB = 24 m
( 40 x 24 ) / 2 = 480
aire totale = 480 m²
aire skatepark = 480 - 270 = 210 m²
bonjour
(30 x 18 ) / 2 = 270
aire zone de jeux = 270 m²
80 m² = 1 sac
270 m² = 3.375 = 4 sacs
4 x 8.35 = 33.4 €
AT/AC = AS/AB = TS/CB
30/40 = 18 /CB
CB = 24 m
( 40 x 24 ) / 2 = 480
aire totale = 480 m²
aire skatepark = 480 - 270 = 210 m²