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The perimeter of a room is 21 by 4 and the perimeter is 120 find the breadth |
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Answer» PERIMETER = 21/4 length = 120 breadth = ? perimeter = 2×(l+b) 21 / 4 = 2 ( 120 + b) 21/ 4 × 2 = 120 + b 12 - 120 = b |
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