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Start learning 50% faster. Sign in nowLet the breadth of the land = ‘b’ metres Then, perimeter of the land = 2 × (21 + b) Or, 2 × (21 + b) = 66 Or, 42 + 2b = 66 Or, 2b = 66 – 42 = 24 So, b = 24/2 = 12 And so, total area of the land = 21 × 12 = 252 m2 So, area of each of the 7 equal portions = 252 ÷ 7 = 36 m2