三角形
Meanings
1
noun, noun which may take the genitive case particle 'no'
Refers to the geometric shape; also used attributively with の to mean 'triangular'.
The sum of the interior angles of a triangle is 180 degrees.
A triangular piece of paper is on the desk.
Usage patterns
- 〈物〉は三角形をしているsomething has a triangular shape
This roof has a triangular shape.
- 三角形の面積を求めるto find the area of a triangle
Please find the area of this triangle.
- 〈物〉を三角形に切るto cut something into a triangle shape
I cut the sandwich into triangles.
- 三角形を描くto draw a triangle
I drew a triangle on the paper.
Expressions
- パスカルの三角形Pascal's triangle