Odpowiedź:
zad 1
a = 35cm
b = 2dm = 20cm
c = 0,7m = 70cm
V = a*b*c
V = 35cm * 20cm * 70cm = 49000cm³ = 49l
zad 2
Pp = 2 * ( 5cm * 5cm) = 2 * 25cm² = 50cm²
Pb = 4* ( 5cm * 5cm) = 4 * 25cm² = 100cm²
Pc = Pp + Pb = 50cm² + 100cm² = 150cm²
V = a³
V = 5cm * 5cm * 5cm = 125cm³
mam nadzieję , że pomogłam :)
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Odpowiedź:
zad 1
a = 35cm
b = 2dm = 20cm
c = 0,7m = 70cm
V = a*b*c
V = 35cm * 20cm * 70cm = 49000cm³ = 49l
zad 2
Pp = 2 * ( 5cm * 5cm) = 2 * 25cm² = 50cm²
Pb = 4* ( 5cm * 5cm) = 4 * 25cm² = 100cm²
Pc = Pp + Pb = 50cm² + 100cm² = 150cm²
V = a³
V = 5cm * 5cm * 5cm = 125cm³
mam nadzieję , że pomogłam :)