Ex 11.1, 2 - Find the area of a square park whose perimeter is 320 m

Ex 11.1, 2 - Chapter 11 Class 7 Perimeter and Area - Part 2

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Question 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 has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.