Circumcevian triangle

Okay kiddo, have you ever heard of a triangle before? It's a shape with three sides and three corners, like a pizza slice. Now, imagine you have a big triangle and you pick any point inside it.

When you draw lines from that point to the corners of the triangle, you create three new little triangles inside the big one. These little triangles are called cevian triangles.

But if you instead draw lines from that point perpendicular to the opposite sides of the big triangle, it will create three different little triangles. These are called circumcevian triangles.

So, a circumcevian triangle is a special little triangle that is formed when you draw lines from a point inside a bigger triangle, that are perpendicular to the opposite sides of the bigger triangle.

It may sound a little complicated, but it's just like cutting your pizza slice into even tinier slices!