Odpowiedź:
2 a) (10+15)×4/2=25×4/2=100/2=50
b) 7×4/2=14
Zadanie 2.
a) h = 4 cm
a = 10 cm
b = a + 5 cm = 10 cm + 5 cm = 15 cm
Odp. Pole trapezu wynosi 50 cm².
b) a + b = 7 cm
h = 4 cm
Odp. Pole trapezu wynosi 14 cm².
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Odpowiedź:
2 a) (10+15)×4/2=25×4/2=100/2=50
b) 7×4/2=14
Zadanie 2.
a) h = 4 cm
a = 10 cm
b = a + 5 cm = 10 cm + 5 cm = 15 cm
Odp. Pole trapezu wynosi 50 cm².
b) a + b = 7 cm
h = 4 cm
Odp. Pole trapezu wynosi 14 cm².