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Answered by
1
Answer:
2m+4n cm
Step-by-step explanation:
2(l+b)
2(4m-3n+5n-3m)
2(m+2n) cm
2m+4n cm
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Answered by
0
Answer:
2m+4n
Step-by-step explanation:
The formula for perimeter of rectangle is 2( l + b )
2((4m-3n)+(5n-3m))
2(4m-3n+5n-3m)
2(m+2n)
2m+4n
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