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Ex 10.1, 4 - What is the length of the wooden strip required to frame

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Ex 10.1, 4 What is the length of the wooden strip required to frame a photograph of length and breadth 32 cm and 21 cm respectively? Length of rectangle = 32 cm Breadth of rectangle = 21 cm Length of wooden strip required = Perimeter of rectangle = 2 × (Length + Breadth) = 2 × (32 + 21) = 2 × 53 = 106 cm ∴ 106 cm of wooden strip is required to frame the photo.

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.