Explications étape par étape:
NF² = NM²-FM²
NF² = 7.5² - 2.1²
NF² = 56.25 - 4.41
NF² = 51.84
NF = racine de 51.84
NF = 7.2cm
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Explications étape par étape:
NF² = NM²-FM²
NF² = 7.5² - 2.1²
NF² = 56.25 - 4.41
NF² = 51.84
NF = racine de 51.84
NF = 7.2cm