Question

$perimeter \: of \: rectangle = 2 \times (length + breadth) = 2 \times (l + b).$
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Answer 1

Step-by-step explanation:

The perimeter of the rectangle is the sum of all sides that is 2×length+2×breadth

So, we can say that the perimeter of a rectangle is twice the sum of length and breadth.

Hence, the answer is sum

Answer 2

Step-by-step explanation:

$perimeter \: of \: rectangle = 2 \times (length + breadth) = 2 \times (l + b).$

please answer this question