A running track has the shape of a rectangle with a semicircle on both ends. If the length of the track is $550$ yards and the length of the side of the rectangle is $125$ yards, what is the radius of the of the semicircular parts?

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The Answer of A running track has the shape of a rectangle with a semicircle on both ends. If the length of the track is $550$ yards and the length of the side of the rectangle is $125$ yards, what is the radius of the of the semicircular parts?

A Running Track Has the Shape of a Rectangle with a Semicircle