also: ちょっかくにとうへんさんかっけい
noun
isosceles right triangle
A triangle with a right angle and two equal sides; a specific type of right triangle.
直角二等辺三角形の斜辺の長さを計算する。
Calculate the length of the hypotenuse of an isosceles right triangle.
Standard kanji spelling for this geometric term.
Alternate reading with 促音便 (っ) in さんかっけい; both readings are used.
Compound of 直角 (right angle), 二等辺 (isosceles), and 三角形 (triangle).