25-06-2024
Mathematics

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Two towns, A and B, lie to the north of a straight road running in the East-West direction (as shown in the diagram below). Unfortunately they are neither connected to the road nor to each other. The people living in the two towns decide to build two new roads, one from each town, to the existing road, such that the route connecting
the two towns via the existing road will be the shortest. Given that AC = 10 km, BD =
20 km and CD = 40 km, find the length of the shortest route.

Please help Two towns A and B lie to the north of a straight road running in the EastWest direction as shown in the diagram below Unfortunately they are neither class=

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