Answer:
length is 80 cm
width is 60 cm
Step-by-step explanation:
let be length x cm
so
the width is 3x/4
perimeter of triangle=sum of all sides
x+3/4x=140cm
7x/4=140cm
7x=560cm
x=80 cm
length=80 cm
width=3x/4=60 cm
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Answer:
length is 80 cm
width is 60 cm
Step-by-step explanation:
let be length x cm
so
the width is 3x/4
perimeter of triangle=sum of all sides
x+3/4x=140cm
7x/4=140cm
7x=560cm
x=80 cm
length=80 cm
width=3x/4=60 cm