세 개의 직선 변과 세 개의 각을 가진 평면 도형.
A plane figure with three straight sides and three angles.
예문:
"The sum of the internal angles of any triangle is always 180 degrees."
"We used a compass and ruler to construct an isosceles triangle."
"She drew a perfect right-angled triangle on the whiteboard."
삼각형 모양의 물건이나 구역. 특히 제도용 삼각자나 당구공을 모으는 틀.
A thing or area shaped like a triangle; specifically, a drawing instrument (set square) or a frame used to position balls in billiards.
예문:
"The construction worker used a large wooden triangle to ensure the corner was square."
"Before starting the game, the player carefully racked the billiard balls inside the triangle."
"The pilot saw a small, dark triangle of land jutting out into the sea below."
세 사람이나 세 가지 사물이 얽힌 상황, 특히 남녀 간의 삼각 관계.
A situation involving three people or things, especially an emotional relationship involving a couple and a third person.
예문:
"The plot of the novel revolved around a complicated love triangle between three college friends."
"Their business partnership formed a powerful triangle of expertise: marketing, production, and distribution."
쇠막대를 삼각형으로 구부려 만든 타악기로, 작은 쇠막대로 쳐서 소리를 낸다.
A percussion instrument consisting of a steel rod bent into a triangle, open at one corner, and sounded by being struck with a small steel rod.
예문:
"The delicate sound of the triangle added a shimmering texture to the orchestral piece."
"She waited patiently for her cue to strike the triangle during the final movement."