Réponses

2014-10-26T18:20:09+01:00
Soit x = SB
(x + 2,8)/x = 1,5/1 => 1,5.x = x + 2,8 => 1/2x = 1,3 => x = 2,6 = SB
Vcône= 1/3.π.1 = π/3 = 1,0472 dm³ = 1,05 dm³
Vgrandcône = 1/3.(1,5)².(2,6 + 2,8) = 1/.2,25.5,4 = 6,075
V seau = 6,075 - 1,05 =  5,025 dm³