The nine Horses are square fenced as shown in the picture below. By constructing just two square fences can.............

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The nine Horses are square fenced as shown in the picture below. By constructing just two square fences can you make sure that two Horses cannot meet each other without crossing the fence?

As shown in the image, the nine horses are square fenced. By constructing just two square fences can you make sure that two horses cannot meet each other without crossing the fence?

Two circles are drawn inside a square with side length 2 + SQRT(2) as shown in the figure. Let the radius of the larger circle be R and the radius of the smaller circle be r . Find the value of R + r