There are two special right triangles in geometry defined by their angles: the 45 45 90 degree triangle and the 30 60 90 degree triangle. The triangles are special because their angles perfectly divide a full rotation into equal parts.
There are two special right triangles in geometry defined by their angles: the 45 45 90 degree triangle and the 30 60 90 degree triangle. The triangles are special because their angles perfectly divide a full rotation into equal parts.