Bonjour,
1)
Pythagore!
AB² = EB² + AE²
AB² - EB² = AE²
5,1² - 4,5² = 26,01- 20,25 = 5,76
AE = √5,76 => 2,4 cm
2)
4,5 /3 =1,5
IH = 2,4/1,5 =>1,6cm
IF = 5,1/1,5 => 3,4cm
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Bonjour,
1)
Pythagore!
AB² = EB² + AE²
AB² - EB² = AE²
5,1² - 4,5² = 26,01- 20,25 = 5,76
AE = √5,76 => 2,4 cm
2)
4,5 /3 =1,5
IH = 2,4/1,5 =>1,6cm
IF = 5,1/1,5 => 3,4cm