Do you know the importance of a triangle in the world?We can discuss it here...
In my opinion,triangle is a big treasure!!!
Yes...without the triangle, we'd have to use a bunch of unstable square, rectangles, and hexagons to build our buildings!
The most important thing is a triangle has developed a big topic----trigonometry!!!
Do you know the importance of a triangle in the world?We can discuss it here...
In my opinion,triangle is a big treasure!!!