(さんかく)

さんかく
noun
triangle, triangular
1. triangle
A geometric shape with three sides and three angles.
I calculate the area of the triangle.
I draw a line with a triangle ruler.
I learned about the properties of triangles in arithmetic class.
2. triangular shape
Something having the shape of a triangle.
Rice balls are often triangular in shape.
Please cut it into a triangular shape.
Houses with triangular roofs are lined up.

三角(さんかく) means triangle or triangular. Composed of (さん) (three) + (かく) (angle/corner).

Common collocations

Everyday use

  • おにぎり三角(さんかく): triangular rice ball shape
  • 三角(さんかく)(きん): triangular bandage (first aid)

Math usage

In geometry: 三角形(さんかくけい)面積(めんせき) (area of a triangle). 三角(さんかく)関数(かんすう) (trigonometric functions) appears in high school math.

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