🇬🇧🇨🇳 triangle - 三角形 : English Lesson

Meaning of "triangle" ("三角形"), detailed definition, and a short video lesson below.

A triangle is a flat shape made by joining 3 straight sides together so they meet at 3 corners, kind of like a slice of pizza.

Watch and listen to this English flashcard to understand the word in more detail, with an easy example sentence.

The triangle on my test paper looked so perfect I considered framing it and calling it modern art.

I drew a triangle with such wiggly sides that my teacher asked if it had just survived an earthquake.

The wizard drew a glowing triangle on the floor and summoned…a very confused math teacher.

My pillow is a triangle, so when I lie on it, I feel like my head is doing homework.

If a shape has exactly 3 straight sides and 3 corners, it’s always a triangle—no matter how big, tiny, or silly it looks.

A child found three sticks and made a triangle on the floor. She named it triangle and touched each corner as she counted, "one, two, three." She drew the same triangle with a red pen. Her friend smiled and said, "That triangle looks like a small roof." They hung the paper and clapped for the triangle.

Learn the meaning of triangle with our educational learning resources. Download a colorful poster, print engaging games, and enjoy an easy story where the word triangle appears in context. 👍

This word is featured in some playlists to help boost your English vocabulary! Check out where “triangle” (三角形) makes an appearance and dive into themed playlists that make learning fun. 👍

This word is at the B1 level, which means it’s important for understanding and discussing familiar topics like work, school, or leisure. Words at this level help you express your thoughts, opinions, and experiences with more detail.

Expanding your English vocabulary is one of the best ways to improve your pronunciation, spelling, and confidence in English. Watch the video above to memorize the word, understand its meaning, and see example sentences in action. Discover related words to grow your vocabulary naturally. Add words to your playlist for stress-free, effective learning—anytime, anywhere! Watch, learn, repeat.