ile litrów wody zmieści sie w garnku o średnicy 20 cm , i wysokości 30 cm
d = 20cm = 2dm
h = 30cm = 3dm
V = Pp * h = π * r² * h = 3,14 * 1² * 3 = 9,42dm³ = 9,42 litra
średnica = 2 dm, więc r = 1 dm
wysokosc H = 3 dm
Pp = pi r^2 = 3,14 * 1^2 = 3,14
V = Pp H = 3,14 * 3 = 9,42 l
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d = 20cm = 2dm
h = 30cm = 3dm
V = Pp * h = π * r² * h = 3,14 * 1² * 3 = 9,42dm³ = 9,42 litra
średnica = 2 dm, więc r = 1 dm
wysokosc H = 3 dm
Pp = pi r^2 = 3,14 * 1^2 = 3,14
V = Pp H = 3,14 * 3 = 9,42 l