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salantis [7]
3 years ago
5

Lungimile laturilor unui triunghi sunt direct proporționale cu numerele 4,5,6.Aflati aceste lungimi,dacă perimetrul triunghiului

este egal cu 45 cm
Mathematics
1 answer:
bezimeni [28]3 years ago
7 0

notezi fiecare latura a triunghiului cu 4x 5x si 6x.Mai pe urma rezolvi o ecuatie: 4x+5x+6x=45

15x=45

x=45:15

x=3

Acum fiecare numar inmultesti cu 3

4x=4×3=12 prima latura

5x=5×3=15 a doua latura

6x=6×3=18 a treia latura

Raspuns:1 latura=12cm 2 latura=15 cm 3 latura=18cm


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