two rectangles of length 20 cm and 12cm are placed adjacent to each other, such that the perimeter of the combined shape is the maximum. What is this maximum perimeter? what can you say about the maximum area?
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this is the maximum perimeter
the area will remain same in all the cases
so area is twice the area of one rectangle
area = 2lb= 2×20×12= 480sq. cm
the area will remain same in all the cases
so area is twice the area of one rectangle
area = 2lb= 2×20×12= 480sq. cm
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