Triangle ABC

Calculate the sides of triangle ABC with area 1404 cm2 and if a: b: c = 12:7:18

Correct result:

a =  87.69 cm
b =  51.15 cm
c =  131.53 cm

Solution:

 s1=12+7+182=18.5 cm S1=s1(s112)(s17)(s118)=26.295 cm2 k=1404S1=7.307  a=12k=87.69 cm
b=7k=51.15 cm
c=18k=131.53 cm

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