plz give me the answer of maths
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Step-by-step explanation:
4). let me breadth=x
formula of perimeter=2(l+b)
2(20+x)=120
40+2x =120
2x. =120-40
2x=80
x=80÷2
x=40
breadth=40m
5) side of a square=4.5cm
formula of perimeter=4×side
4×4.5=18.0
perimeter of square=18cm
please make me a brainlist please it is important
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