Unit 4: Ethnic Groups of Viet Nam and Geometry Review

Vocabulary and geometric concepts extracted from lecture notes covering Vietnamese ethnic culture and triangular properties.

Ethnic (group)

A group of people belonging to a specific social group based on shared cultural or ancestral heritage (nhóm dân tộc).

Stilt house

A traditional type of house built on poles or stilts (nhà sàn).

Costume

Traditional or formal clothing/attire characteristic of a specific group (trang phục).

Terraced field

Steps or flat areas cut into hillsides for farming, commonly found in mountainous regions (ruộng bậc thang).

Travel brochure

A promotional pamphlet or advertisement that provides information about tourists' destinations (tờ quảng cáo du lịch).

Overlook

To have a view from above or to look out over something (nhìn ra).

Five-colour sticky rice

A traditional dish featuring glutinous rice in five distinct colors (xôi ngũ sắc).

Bamboo

A grass-like plant with woody stems often used in various constructions or tools.

Folk dance

A traditional dance originating among the common people of a specific culture or region.

Musical instrument

An object or device used professionally or recreationally to produce musical sounds.

Traditional

Refers to customs, beliefs, or methods that have been passed down through generations.

Median

In geometry, a line like $BN$ that connects a vertex of a triangle to the midpoint of the opposite side, such that $AN = NC$.

$$\triangle GCE$$

A geometric notation referring to a triangle with vertices at points $G$, $C$, and $E$.