面積
面積 refers to the measurement of the size of a surface or the amount of space inside a two-dimensional shape. It is commonly used in mathematics, real estate, and geography to describe how much space a flat object or land occupies.
Ejemplos
3 de 5この部屋の面積はどのくらいですか。
How large is the area of this room?
本公園の総面積は約十ヘクタールであります。
The total area of this park is approximately ten hectares.
机の上の面積が足りないから、片付けよう。
There's not enough space on top of the desk, so let's clean it up.
Familia de palabras
Truco para recordar
Think of 'Men' (面) as a face or surface, and 'Seki' (積) as accumulating or multiplying. You multiply sides to find the surface area.
Quiz rápido
この図形の( )を計算してください。
¡Correcto!
La respuesta correcta es: 面積
Ejemplos
この部屋の面積はどのくらいですか。
everydayHow large is the area of this room?
本公園の総面積は約十ヘクタールであります。
formalThe total area of this park is approximately ten hectares.
机の上の面積が足りないから、片付けよう。
informalThere's not enough space on top of the desk, so let's clean it up.
三角形の面積を求める公式を書きなさい。
academicWrite the formula to calculate the area of a triangle.
オフィスの床面積を縮小して、コストを削減します。
businessWe will reduce the office floor area to cut costs.
Familia de palabras
Colocaciones comunes
Frases Comunes
建築面積
building area
敷地面積
site area / plot area
専有面積
exclusive area (of an apartment)
Se confunde a menudo con
Menseki is 2D area (square units), while Taiseki is 3D volume (cubic units).
Hirosa is a more general, everyday word for 'wideness' or 'size', while Menseki is a technical or mathematical term.
Notas de uso
面積 is primarily used when referring to technical measurements or mathematical calculations. For general conversation about a house being 'big' or 'spacious', Japanese speakers often use the noun '広さ' or the adjective '広い'.
Errores comunes
Learners sometimes use 面積 to describe the 3D capacity of a box, where 体積 (volume) should be used instead.
Truco para recordar
Think of 'Men' (面) as a face or surface, and 'Seki' (積) as accumulating or multiplying. You multiply sides to find the surface area.
Origen de la palabra
From Middle Chinese: 面 (surface/face) + 積 (to pile up/product in math).
Patrones gramaticales
Contexto cultural
In Japan, while square meters (m²) are standard, real estate area is often colloquially measured in 'Jo' (畳 - size of a tatami mat) or 'Tsubo' (坪 - approx. 3.3 m²).
Quiz rápido
この図形の( )を計算してください。
¡Correcto!
La respuesta correcta es: 面積
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