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dimulka [17.4K]
4 years ago
15

The 4 cities(A,B,C&D) are to be connected by roads.The budget allows 22 km of road to be build. How can it be done? In the g

iven figure ABCD is a square with each side 8km.​
Mathematics
1 answer:
Darina [25.2K]4 years ago
8 0

Answer:

By constructing two diagonal roads. l \approx 22.627\,km

Step-by-step explanation:

The only feasible solution is the construction of two diagonal roads between each pair of cities. The total length is:

l = 2\cdot \sqrt{2}\cdot (8\,km)

l \approx 22.627\,km

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