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प्रश्न
Find the perimeter of a rectangle whose:
length = 40 cm and breadth = 35 cm
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उत्तर
length = 40 cm and breadth = 35 cm
∴Perimeter = 2 (length + breadth)
= 2 (40 cm + 35 cm)
= 2 x 75 cm
= 150 cm
`=150/100`
= 1.5 m
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