せいさんかくけい
正三角形
1. equilateral triangle; regular triangle
2. Equilateral triangleIn geometry, an equilateral triangle is a triangle in which all three sides are equal. In traditional or Euclidean geometry, equilateral triangles are also equiangular; that is, all three internal angles are also congruent to each other and are each 60°. They are regular polygons, and can therefore also be referred to as regular triangles.
Read “Equilateral triangle” on English Wikipedia
Read “正三角形” on Japanese Wikipedia
Read “Equilateral triangle” on DBpedia
Read “Equilateral triangle” on English Wikipedia
Read “正三角形” on Japanese Wikipedia
Read “Equilateral triangle” on DBpedia
正三角形 【せいさんかっけい】
Discussions
Log in to talk about this word.