扇形
also: せんけい
Meanings
1
noun, noun which may take the genitive case particle 'no'
fan shape; fan-shaped
Describes something shaped like a folding fan; used as a noun or with の to modify another noun.
The flower bed in the park is laid out in a fan shape.
Light streams in through the fan-shaped window.
2
Only with reading せんけい
Mathematical term for a sector of a circle; the reading せんけい is specific to this sense.
Memorize the formula for the area of a sector of a circle.
Usage patterns
- 〈物〉を扇形に切るto cut something into a fan shape
I cut the cake into fan-shaped pieces.
- 扇形の面積を求めるto find the area of a sector
In this problem, find the area of the sector.
- 扇形に広がるto spread out in a fan shape
The peacock spread its tail feathers out in a fan shape.