dane; rozw.
1dm=10cm P=2 x 10 + 2 x 5+ 2 x 3 =20 +10 + 6=36 (cm/3)
5cm
30mm=3cm
szukane
pole = ?
odp pole wynosi 36 cm /3.
1 dm = 10 cm
30 mm = 3 cm
P(całkowite) = 2 * (10 cm*3cm) + 2 * (10 cm * 5 cm) + 2 * (5 cm * 3 cm) = 60 cm + 100 cm + 30 cm =190 cm kwadratowych
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dane; rozw.
1dm=10cm P=2 x 10 + 2 x 5+ 2 x 3 =20 +10 + 6=36 (cm/3)
5cm
30mm=3cm
szukane
pole = ?
odp pole wynosi 36 cm /3.
1 dm = 10 cm
30 mm = 3 cm
P(całkowite) = 2 * (10 cm*3cm) + 2 * (10 cm * 5 cm) + 2 * (5 cm * 3 cm) = 60 cm + 100 cm + 30 cm =190 cm kwadratowych