mikayla843
18.07.2019 •
Mathematics
The sides of a traingle are in the ratio 3: 4: 5. what is the length of each sdie of the traingle is 30 cm
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Ответ:
3x; 4x; 5x - the lengths of the sides
3x + 4x + 5x = 30
12x = 30 |:12
x = 2.5
3x = 3 · 2.5 = 7.5 cm
4x = 4 · 2.5 = 10 cm
5x = 5 · 2.5 = 12.5 cm
Ответ:
those are the answers