Korean Dictionary
How to say "Triangle" in Korean
“Triangle” in Korean is 삼각형 (pronounced "Samgakhyeong").
삼각형
Samgakhyeong
Usage & Context
Samgakhyeong is the Korean word for triangle. Triangles are important shapes in Korean traditional art and architecture. They represent dynamic movement and energy.
Example Sentence
삼각형 모양의 지붕이 있어요.
There is a triangular roof.
How to use 삼각형 naturally
Quick answer
The Korean word for “Triangle” is 삼각형, romanized as Samgakhyeong.
Usage tip
Learn this word together with a complete Korean sentence. Meaning often depends on particles, politeness level, and word order.
Common mistake
Do not rely only on the English meaning. Read the Korean example sentence and notice the particles, word order, and politeness level around 삼각형.
Pronunciation Guide
삼 (Sam) sounds like "sum" (as in "sum of numbers"). 각 (gak) sounds like "gack" (as in "gack-le"). 형 (hyeong) sounds like "hyung" (as in "hyung-nim"). Combine them as "sum-gack-hyung".
More Example Sentences
Describing a natural landscape.
산 모양은 삼각형과 비슷해요.
The shape of a mountain is similar to a triangle.
Referring to a road sign or warning sign.
이 표지판은 삼각형 모양으로 되어 있어요.
This sign is triangular in shape.
Describing how food was prepared.
샌드위치를 삼각형으로 잘라 먹었어요.
I cut the sandwich into triangles and ate it.
Cultural Context
The triangle (삼각형) is a dynamic and energetic shape in Korean traditional art and architecture, often symbolizing movement, aspiration, and sometimes even mountains or peaks. While less common than circles or squares in foundational structures, it appears in decorative elements, rooflines, and patterns. In modern design, triangles are used to create visual interest and a sense of modernity, often seen in graphic design or abstract art, conveying a forward-thinking aesthetic.
Editorial note
We review entries like 삼각형 for pronunciation, example sentence fit, and learner mistakes so the page answers more than a direct dictionary lookup.
Reviewed by Min-jung Park, Korean Language Teacher. Updated May 31, 2026. See our editorial standards.
Common Phrases
삼각형 모양
Triangle shape
삼각형 퍼즐
Triangle puzzle
삼각형 지붕
Triangular roof
Related Expressions
세모
Semo
Triangle (more informal/childlike, often used for drawing)
삼각대
Samgakdae
Tripod (literally "three-corner stand")
삼각김밥
Samgak-gimbap
Triangular kimbap (a common convenience store food)
뿔
Ppul
Horn/Point (related concept of a sharp point)
More Colors and Shapes Words
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