Translation of "Triangle" in Chinese

Please find the area of the triangle.

求三角形的面積

A triangle has 3 corners, and a hexagon has 6 corners.

三角形有三个角，而六边形有六个角

His upper body looks like it has the shape of an inverted triangle; standing there, he seems extremely handsome!

他上身长得呈倒三角形，站在那里看上去特帅！