Oblicz pole powierzchni prostopadłościanu o wymiarach 6dmX4dmX30cm.
a = 6dm
b = 4dm
h = 30cm = 3dm
Pc = 2 * Pp + Pb
Pc = 2 * (a * b) + 2 * (a * h) + 2 * (b * h)
Pc = 2 * 6 * 4 + 2 * 6 * 3 + 2 * 4 * 3
Pc = 48 + 36 + 24
Pc = 108cm^2 ------- odpowiedź
Dane:
a =6 dm
b =4 dm
c =30 cm = 3 dm
Szukane:
Pp = ?
Pp = 2ab + 2bc + 2ac
Pp= 2x4x6 + 2x4x3 + 2x3x6 = 48+24+36=108dm3.
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a = 6dm
b = 4dm
h = 30cm = 3dm
Pc = 2 * Pp + Pb
Pc = 2 * (a * b) + 2 * (a * h) + 2 * (b * h)
Pc = 2 * 6 * 4 + 2 * 6 * 3 + 2 * 4 * 3
Pc = 48 + 36 + 24
Pc = 108cm^2 ------- odpowiedź
Dane:
a =6 dm
b =4 dm
c =30 cm = 3 dm
Szukane:
Pp = ?
Pp = 2ab + 2bc + 2ac
Pp= 2x4x6 + 2x4x3 + 2x3x6 = 48+24+36=108dm3.