Question

explain step by step.......​

Answer 1

Answer:

1: 37

2:48

3: 60

Step-by-step explanation:

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Answer 2

Answer

Perimeter of triangle:144

Let the ratios of length of sides be 3x,4x,5x,

According to the statement,

a+b+c=144(perimeter of triangle is a+b+c)

3x+4x+5x=144

12x=144

x=144/12

x=12

Therefore,a=3x=3*12=36.

b=4x=4*12=48

c=5x=5*12=60

therefore c=60cm