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The length of a rectangle is thrice its breadth. If the perimeter of the rectangle is 1m 28 cm, find the length and breadth of the rectangle |
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Answer» length 48 cm BREADTH =16cm Step-by-step explanation: length = 3b ( according to question) perimeter = 1m 28 cm. =128 cm 2(l+b)=128 cm 2(3b+b)=128 (4b)=128/2 4b =64 b=64/4. b=16 cm we know , l = 3b ( put value of b) l= 3(16). l=48 cm |
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