Odpowiedź :
Dane:
H=10 cm
v=640 pi cm^3
Szukane:
d=?
v=πr^2*H
Pp=v/H
Pp=640πcm^3/10cm=64cm
Pp=πr^2
r=√Pp/π
r=√64cm^2 /π=8cm
d=2r
d=2*8cm=16cm
H=10 cm
v=640 pi cm^3
Szukane:
d=?
v=πr^2*H
Pp=v/H
Pp=640πcm^3/10cm=64cm
Pp=πr^2
r=√Pp/π
r=√64cm^2 /π=8cm
d=2r
d=2*8cm=16cm
Wzór na objętość walca
V = pi * r² * H
640 pi = pi r² * 10 / ÷10
64 = r²
8 = r
Srednica = 2 * r = 2 * 8 = 16 cm
Odp 16 cm
V = pi * r² * H
640 pi = pi r² * 10 / ÷10
64 = r²
8 = r
Srednica = 2 * r = 2 * 8 = 16 cm
Odp 16 cm