1.
triangle
A geometric shape with three sides and three angles.
三角の面積を求める。
I calculate the area of the triangle.
三角定規で線を引く。
I draw a line with a triangle ruler.
算数で三角形の性質について習った。
I learned about the properties of triangles in arithmetic class.
2.
triangular shape
Something having the shape of a triangle.
おにぎりは三角の形が多い。
Rice balls are often triangular in shape.
三角形に切ってください。
Please cut it into a triangular shape.
屋根が三角の形をした家が並んでいる。
Houses with triangular roofs are lined up.
三角 means triangle or triangular. Composed of 三 (three) + 角 (angle/corner).
COMMON COLLOCATIONS:
- 三角形: triangle (geometric term)
- 三角定規: set square/triangle ruler
- 三角関係: love triangle
- 三角関数: trigonometric function
EVERYDAY USE:
- おにぎりの三角: triangular rice ball shape
- 三角巾: triangular bandage (first aid)
MATH USAGE:
In geometry: 三角形の面積 (area of a triangle). 三角関数 (trigonometric functions) appears in high school math.
RELATED SHAPES:
- 四角: square/rectangle
- 丸: circle