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The perimeter of an isosceles triangle is 1 m, and the length of the base is equal to 0.4 m. Find the length of a leg.​


0.22361m Step-by-step explanation: We are given a length of 0.22m and asked to find the length with four decimal places. To do this, we need to square 0.22m: (0.22m)^2 = 0.0484m^2 Then, we need to take the square root of 0.0484m^2 to get our final √0.0484m^2 = 0.22361m Therefore, the length with four decimal places is 0.22361m.