# In a

In a triangle, the aspect ratio a: c is 3: 2, and a: b is 5: 4. The perimeter of the triangle is 74cm. Calculate the lengths of the individual sides.

a =  30
b =  24
c =  20

### Step-by-step explanation:

a+b+c=74
a= 3/2•c
a = b• 5/4

a+b+c = 74
2a-3c = 0
4a-5b = 0

a = 30
b = 24
c = 20

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