a polygon is convex
A non convex is a concave and a convex is differently shaped
4-sided polygons include the square, rectangle, and rhombus (all parallelograms), and the trapezoid.*A fifth type is a concave or convex quadrilateral with no equal or parallel sides.
A rectilinear figure is a polygon such that all its sides meet at right angles. The only convex shapes are a rectangle (or square), but it can also be a concave shape with some interior angles of 270 degrees.
A rectilinear figure is a polygon such that all its sides meet at right angles. The only convex shapes are a rectangle (or square), but it can also be a concave shape with some interior angles of 270 degrees.
Rectangle
All three are convex plane figures.
They all are 2-dimensional convex figures bounded by four straight lines.
They are convex polygons. They have four sides. They have four vertices. Each pair of opposite sides is equal. Each pair of opposite angles is equal.
a polygon is convex
A non convex is a concave and a convex is differently shaped
A convex polygon is defined as a polygon whose interior is a convex set.The definition of a convex set is that for any two points x, y from the set the line connecting them must not leave the set (the polygon, in our case).For instance the letter I (capital i) is a simple rectangle in many fonts, which is convex (pick any two points in a rectangle and connect them, you will never leave the rectangle).The character T (capital t) is composed of two rectangles in many fonts, which is not convex at all (just pick a point at the top left and one at the bottom center, the line connecting them will leave the shape).Now you should be able to see that almost no characters are convex, the following can be eliminated right away:all fonts with serifs: the little details attached to the line endings cause problemsall characters that consist of multiple shapes (i, j, !, %, etc.), you can always pick point x in the first shape, point y in the second shape and the connecting line will offend the convexity criterionall characters with holes in them (a, b, d, o, etc.), simply chose a point "left and right" of the hole.And here is a list of commonly used characters and symbols that are convex at least in some fonts:I (capital i)l (lowercase L)- (minus)_ (underscore). (dot)/, \ (slash, backslash)`, ´, ' (gravis, acute, tick), (comma)
projector have concave or convex
It must have 4 sides. The angles need not add up to 360 degrees if the shape is not convex So it could be a square, rectangle, kite, rtc Ratty
the union of two convex sets need not be a convex set.
convex
A convex polygon.I suspect that what you mean is a convex polygon.