Definition:Apex

Definition
The apex of a geometric figure is the point which is distinguished from the others by dint of it being furthest away from its base.

Not all figures have a discernible apex; for example, parallelograms, prisms and parallelepipeds do not.

Apex of Triangle

 * Triangle.png

Apex of Isosceles Triangle

 * IsoscelesTriangle.png

Apex of Cone

 * Cone.png

Apex of Pyramid

 * Pyramid.png