Answer:
perimeter = 120cm
length = 40 cm
perimeter = 2(l+b)
120= 2(40+b)
120÷2 = 40+b
60= 40+b
60-40= b
20= b
hence breadth = 20 cm
PLEASE mark as brainlist answer
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Answer:
perimeter = 120cm
length = 40 cm
perimeter = 2(l+b)
120= 2(40+b)
120÷2 = 40+b
60= 40+b
60-40= b
20= b
hence breadth = 20 cm
PLEASE mark as brainlist answer