(pos:名詞)<explanation>yue:由三條直線相交而成、有三隻角嘅圖形(量詞:個/隻)eng:triangle<eg>yue:金字塔嘅側面係三角形。 (gam1 zi6 taap3 ge3 zak1 min6 hai6 saam1 gok3 jing4.)eng:The lateral faces of pyramids are triangles.