钝角三角形：有一个角是钝角，有两个角是锐角。
Obtuse triangle: One of the three angles is an obtuse Angle. The other two are acute angles.
Math Glossary:这里可以查找像算盘、泰勒斯定理，钝角三角形等等更多的单词以及概念。
Look up words and concepts like abacus, Thales’ theorem, obtuse triangle and a lot more in this special site.
Math Glossary:这里可以查找像算盘、泰勒斯定理，钝角三角形等等更多的单词以及概念。
Look up words and concepts like abacus, Thales’ theorem, obtuse triangle and a lot more in this special site.
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