* * * surface, coplanarity

consistent

Law of Sines

cosine theorem

inscribed circle

circumference

Numerical range

midnormal

* * * Garden, public circle

Rotation around a point.

The highest point of a trajectory

Lowest point/lowest point/zero degree

Distance from point to line

minimum value

maximum

Equal area, same surface

vector

Vector included angle

Left and right vertices of an ellipse, left vertex of an ellipse, right vertex.

Left vertex of hyperbola

Right vertex of hyperbola hyperbola

Left branch of hyperbola

Expression expression