SOLUTION: the lengths of the sides of a triangle is extended ratio 4:7:9 the premeter is 60cm. what are the lengths of the sides

Question 911170: the lengths of the sides of a triangle is extended ratio 4:7:9 the premeter is 60cm. what are the lengths of the sides
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi

Let x represent the constant of proportionality

4x+ 7x + 9x = 60cm

20x = 60

x = 3

the lengths of the sides are: 12cm, 21cm, 27cm

And..checking

P = 60cm 

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