ocr: A pyramid with three faces andeach face normal shown asanarrow. - - - 4 - - - - - - - - - - - - v2 - - - - - - - - - - - * / - - - - - The closets two faces are - - - - - front tacing and would be - - - - - - v3 * / rendered, while the third face ati the back would be culled.