A RECTENGULAR SHEET OF PAPER IS 12 cm LONG AND 10.5 cm WIDE .FIND ITS PERIMETER.
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Step-by-step explanation:
lenght of paper = 12
breadth of paper = 10.5
perimeter of rectangle = 2 × ( l+b)
= 2 × (12 + 10.5)
= 2 × 22.5
= 34.5
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