Example 15 - The area of a rectangular piece of cardboard is 36 sq cm

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Example 15 The area of a rectangular piece of cardboard is 36 sq cm and its length is 9 cm. What is the width of the cardboard? Length of rectangle = l = 9 cm Breadth of rectangle = b = ? Area of rectangle = l × b 36 sq. cm = 9 cm × b 9 × b = 36 b = 36/9 b = 4 cm ∴ Width of cardboard is 4 cm

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.