faarid97 faarid97

07-08-2016
Mathematics

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The perimeter of a triangle is 240. Its sides are proportional to 3:4:5. The largest side of the triangle is

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jhonyy9 jhonyy9

07-08-2016

3n +4n +5n = 240
12n = 240
n = 240/12

n = 20

the length of sides of this triangle will be

3*20=60
4*20=80
5*20=100

bc. 60+80+100 = 140+100=240

hope helped

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