Oblicz V i Pc prostopadłościanu o wymiarach a=2cm b=40dm c=300cm daje naj
Dane :
a = 2cm = 0,02 dm
b = 40dm =
c = 300 cm = 30 dm
Pc= 2Pp +Pb
Pp = a*b
Pp = 0,02 * 40 = 0,8 dm²
Pb = (2a+2b)*c
Pb =(2*0,02 + 2 * 40) *30 = 80,04 * 30 = 2401,2 dm²
Pc = 2 * 0,8 + 2401,2 = 2402,8 dm²
V = a*b * c
V = Pp * c
V = 0,8 * 30 = 24 dm³
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Dane :
a = 2cm = 0,02 dm
b = 40dm =
c = 300 cm = 30 dm
Pc= 2Pp +Pb
Pp = a*b
Pp = 0,02 * 40 = 0,8 dm²
Pb = (2a+2b)*c
Pb =(2*0,02 + 2 * 40) *30 = 80,04 * 30 = 2401,2 dm²
Pc = 2 * 0,8 + 2401,2 = 2402,8 dm²
V = a*b * c
V = Pp * c
V = 0,8 * 30 = 24 dm³