Odpowiedź:
IDCI = 3 dm
IDAI = 20 cm = 2 dm
IBEI = 2,5 dm
P - pole równoległoboku = IDCI * IBEI = 3 dm * 2,5 dm = 7,5 dm²
P = IDAI * IBFI
IBFI = P : IDAI = 7,5 dm² : 2 dm = 3,75 dm
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Odpowiedź:
IDCI = 3 dm
IDAI = 20 cm = 2 dm
IBEI = 2,5 dm
P - pole równoległoboku = IDCI * IBEI = 3 dm * 2,5 dm = 7,5 dm²
P = IDAI * IBFI
IBFI = P : IDAI = 7,5 dm² : 2 dm = 3,75 dm