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How are the 10 pins arranged in tenpin bowling?
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Tommy Jones competing in the Professional Bowlers Association Tournament of Champions final in Uncasville, Conn., April 1, 2007.
In tenpin bowling, the 10 pins are arranged in a triangle formation. The point of this triangle, known as the No. 1 pin or headpin, is positioned at the front of the formation facing the bowler. The centers of the pin spots are spaced 12 inches (30.5 centimeters) apart.1