Question

please who know answer please help​

Answer 1

Step-by-step explanation:

a) Perimeter of rectangle = 2(l+b) = 2(6+4) =20cm

b) Perimeter of rectangle = 2(l+b) =2(20+2)=44cm

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Answer 2

Answer:

when we add the length and breadth of rectangle we get a number 10 and by formula multiply this number by 2then answer becomes 20