Odpowiedź:
P = a²
a)
P = 25/49m²
a = √(25/49m²) = 5/7m
b)
P = 1 9/16mm²
a = √(1 9/16mm²) = √(25/16mm²) = 5/4mm = 1 1/4mm = 1,25mm
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Odpowiedź:
P = a²
a)
P = 25/49m²
a = √(25/49m²) = 5/7m
b)
P = 1 9/16mm²
a = √(1 9/16mm²) = √(25/16mm²) = 5/4mm = 1 1/4mm = 1,25mm
Szczegółowe wyjaśnienie: