Odpowiedź:
P = a × h, P = (d1 × d2)/2 (w tym przypadku)
a) P = 4 × 5 = 20
b) P = (12 × 6)/2 = 72/2 = 36
c) P = 5 × 6 = 30
d) P = (12 × 8)/2 = 96/2 = 48
e) P = 9 × 3 = 27
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Odpowiedź:
P = a × h, P = (d1 × d2)/2 (w tym przypadku)
a) P = 4 × 5 = 20
b) P = (12 × 6)/2 = 72/2 = 36
c) P = 5 × 6 = 30
d) P = (12 × 8)/2 = 96/2 = 48
e) P = 9 × 3 = 27