Ratio of sides

The triangle has a circumference of 21 cm, and the length of its sides is in a ratio of 6:5:3. Find the length of the longest side of the triangle in cm.

Correct answer:

a =  9 cm
b =  7.5 cm
c =  4.5 cm

Step-by-step explanation:

o=21 cm  o = a+b+c = 21 a = 6x b = 5x c = 3x  6x+5x+3x=o 6x+5x+3x=21  6 x+5 x+3 x=21  14x=21  x=1421=1.5  x=23=1.5  a=6 x=6 1.5=9 cm

Try calculation via our triangle calculator.

b=5 x=5 1.5=7.5 cm
c=3 x=3 1.5=4.5 cm



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