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  1. Chapter 11 Class 7 Perimeter and Area
  2. Serial order wise

Transcript

Ex 11.1, 2 Find the area of a square park whose perimeter is 320 m. Let square be ABCD with side a Given, Perimeter of square = 320 m 4a = 320 a = 320/4 a = 80 m ∴ Side of the square is 80 m Now, Area of square = a × a = 80 × 80 = 6400 sq. m. = 6400 m2 ∴ Required area is of 6400 m2

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.