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二等辺三角形 (にとうへんさんかっけい) Japanese meaning | Kotomora

二に等とう辺へん三さん角かっ形けい

に

と

う

へ

ん

さ

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け

い

Freq.FrequencyTop 100,000

Meanings

1

isosceles triangle

A triangle with two equal sides. Used in geometry contexts.

二に等とう辺へん三さん角かっ形けいの底てい角かくは等

ひと

しい

。

The base angles of an isosceles triangle are equal.

この図ず形けいは二に等とう辺へん三さん角かっ形けいです。

This shape is an isosceles triangle.

Kanji

二two, two radical (no. 7)
等etc., and so forth, class (first)
辺environs, boundary, border
三three
角angle, corner, square
形shape, form, style

Related words

正せい三さん角かっ形けい
Equilateral triangle (all sides equal), while 二等辺三角形 has only two equal sides.
直ちょっ角かく三さん角かっ形けい
Right triangle (one 90° angle), not defined by side lengths.

Written forms

二等辺三角形
- にとうへんさんかっけい
  Standard kanji spelling for 'isosceles triangle'.
- にとうへんさんかくけい
２等辺３角形
- にとうへんさんかっけい
  Rare variant using Arabic numerals; not typical in formal writing.
- にとうへんさんかくけい
にとうへんさんかくけい

Etymology

Compound of 二等辺 (two equal sides) + 三角形 (triangle).