“这太不公平了,你们欺负人!”锐角三角形边闹边说。“明明是你错了嘛,”钝角三角形和直角三角形一边一个劝着这个小弟弟,“不信,我们去问几何大叔,当初就是他给你取的名。”这三兄弟为什么闹别扭了,还得从昨天晚会说起。昨天晚会上,三兄弟一起表演了“三角形的稳定功能”受到了大家的好评,最后演员介绍时,钝角三角形介绍:“我,有一个角是钝角的三角形,叫钝角三角形。”之后,他亮了亮三角中那个特大的钝角。直角三角形也自我介绍: “This is too unfair, you bully people!” Said the acute triangle edge of the troubled side. “Obviously you are wrong, ” “Obtuse triangle and right triangle on the side of a persuasion of this little brother, ” Do not believe, we ask the geometry uncle, was he gave you the name. “ Have to talk about yesterday evening. Yesterday evening party, the three brothers performed together ”stability of the triangle “ by everyone’s praise, the last actor introduced, the obtuse triangle introduced: ”I have a corner is obtuse triangle, called obtuse triangle. " After that, he brightened the big obtuse angle in the bright triangle. Right triangle also introduce myself: