V = 1/3 πr^2h = (3,14 х 25 х 12) : 3 = 314 см^3
S = πr^2 + πrl . l = √r^2+h^2 l = 13 S = 3.14 × 25 + 3.14 × 5 × 13 = 282.6
Объяснение:
V = 1/3 πr^2h = (3,14 х 25 х 12) : 3 = 314 см^3
S = πr^2 + πrl . l = √r^2+h^2 l = 13 S = 3.14 × 25 + 3.14 × 5 × 13 = 282.6
Объяснение: