Billiards Rack Setup - Complete 15-Ball Pool Triangle Formation #1403530 (License: Personal Use)

This image shows the standard triangular arrangement of 15 numbered pool balls used in American-style pocket billiards, including 8-ball and 9-ball variants. The apex ball (1) is yellow, the 8-ball is centered in the third row, and the cue ball sits off to the side, ready for the opening break. Each ball features its number in a white circle on a colored background, following traditional WPA specifications.

Used on billiards instruction pages, game rule guides, equipment retail sites, and tournament preparation resources; matches user intent for learning proper rack setup, visual reference for players, or illustrating pool game mechanics.