# Results for: convex-polytope

### What is an associahedron?

An associahedron is a convex polytope in which each vertex corresponds to a way of correctly inserting opening and closing parentheses in a word of n letters and the edges correspond to a single application of the associativity rule. Full Answer

### What is the simplest polytope with strictly triangular faces?

A tetrahedron is the simplest polytope with strictly triangular faces. The tetrahedron has six faces and has slightly raised two opposite vertices of the base of a quadratic pyramid. Full Answer

### What has the author William Jockusch written?

William Jockusch has written: 'Cutting a polytope' Full Answer

### What is a bitruncation?

A bitruncation is an operation on a regular polytope in which every edge is lost and every face is reduced in size. Full Answer

### What has the author Helmut Emde written?

Helmut Emde has written: 'Homogene Polytope' -- subject(s): Polytopes Full Answer

### Is a ploygon convex or not convex?

a polygon is convex Full Answer

### Difference of non convex and convex?

A non convex is a concave and a convex is differently shaped Full Answer

### Is pentagon a convex?

A regular pentagon is convex. Irregular pentagons can be convex or not. Full Answer

### Is the union of two convex sets a non-convex set?

the union of two convex sets need not be a convex set. Full Answer

### What is the difference between a convex lens and a convex mirror?

Convex lenses and convex mirrors are the complete opposite of each other. Convex mirrors make images smaller, while convex lenses make images bigger, and more magnified and focused. Full Answer

### What is differentiale convex and non-convex?

Take any two points on or inside a body. If every point on the straight line joining the two points lies within the shape, then it is convex. If not, it is non-convex. Full Answer

### What is the sum of the measures of the angles of a convex quadrilateralwill this property hold if the quadrilateral is not convex?

What is the sum of the measures of the angles of a convex quadrilateralwill this property hold if the quadrilateral is not convex? Full Answer

### Is a triangle a convex?

yes a triangle is a convex Full Answer

### Differentiate convex and non convex polygon?

A convex polygon is one with no angle greater than 180 degrees. A non-convex polygon is one that is not without such an angle. Full Answer

### Does fresnel lens is a convex lens?

yes...it is a plano-convex lens....wid grooves cut in it on convex side...it is very very thin as compared to a simple convex lens Full Answer

### Difference between concave and convex in the dark?

concave is inward, convex is outward concave is inward, convex is outward Full Answer

### Is a mold convex or concave?

The mold for a concave object is convex. The mold for a convex object is concave. Full Answer

### Is a hen decagon concave or convex?

It can be convex or concave. Full Answer

### What is a convex used for?

Convex is used for looking closer at. Full Answer

### Is the following polygon convex or concave?

is this a polygon? is it concaver or convex Full Answer