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If perimeter of any rectangle is 26 cm and one of the sides measures 7 cm, then the measure of the adjacent side is?(a) 6 m(b) 6 cm(c) 12 m(d) 12 cmI had been asked this question in final exam.My question is based upon Kinds of Polygons in chapter Quadrilaterals of Mathematics – Class 8 |
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Answer» RIGHT choice is (B) 6 cm To explain I would say: Formula for PERIMETER of is, Perimeter = 2 × (Length+Breadth) THEREFORE 26=2 × (7+Breadth) Therefore 26=14+2Breadth Therefore 12=2×Breadth Therefore Breadth=6. |
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