Optimization Problem (minimize length of road between towns)

Topic:Calculus, Differential Calculus, Integral Calculus

Four towns (A, B, C, D) are situated as shown below to form a square with side length 1 unit. Determine the minimum length of roadway that will link these four towns together.

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The Coordinate Plane (Cartesian Plane)
Rolling a Square
רישום חופשי
巧算長方形周界
Parallel Lines & Related Angles: Quick Reminders

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Displacement, velocity & acceleration
Fraction Strips

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