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equilateral triangles
The vertex angle is connected to the vertex point
A circle does not have a vertex.
vertex
A triangle is not a segment joining a vertex and the midpoint of the side opposite the vertex.
Vertex describes a point , corner or intersection. For example a black diamond library. It is construction-ed with many points and each angle should be considered a vertex.
pyramid and coneIn the list given, only the cone and pyramid have a vertex.
No such term vertex being used in concave mirror. We would say by the term 'pole' of the mirror. Or optic center of the mirror. Of course vertex is used in case of parabola. Following this we may use vertex synonym to the pole or optic centre of the concave mirror
equilateral triangles
y=x2-6x+9
It’s vertex is not at the origin
Its vertex is not at the origin
The y coordinate is given below:
CAB BAC...freggin beaners
Cone ( not including the vertex ) Cylinder ( APEX )
The vertex angle is connected to the vertex point
A cube has no vertex