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Ex 5.4, 6 Find the length of the side of a square whose area is 441 𝑚^2.Given area of the square plot = 441 𝑚^2 Let side of the square = 𝑥 We know that, Area of square = Side2 ∴ Area of square = 𝑥^2 441 = 𝒙^𝟐 𝑥^2 = 441 𝑥 = √441 ∴ Side = √𝟒𝟒𝟏 Finding square root of 2304 by Long Division ∴ Square root of 441 = 21 Thus, Side of the square plot = 21 m

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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 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.