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A geometric star shape is concave. A star that is in the sky is convex.
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Is a star concave polygon?
Yes it is.
What is a concave polygon with at least 3 lines of symmetry?
A regular six pointed star.
Why is a star polygon concave?
because the point of origin would be on an outer point and around it the walls seem to cave in making it seem concave, in comparison to a regular polygon. When checking for concave polygons always compare what you are looking at to a regular polygon
What shape is a four pointed star where the four outside angles are the points and it has eight sides?
It is a concave octagon.
What polygon is a regular star?
A 'concave decagon' is a ten-sided shape with every other corner pushed in towards the centre. It forms a regular five-pointed star.
Is a star concave polygon?
Yes it is.
What is a concave polygon with at least 3 lines of symmetry?
A regular six pointed star.
Why is a star polygon concave?
because the point of origin would be on an outer point and around it the walls seem to cave in making it seem concave, in comparison to a regular polygon. When checking for concave polygons always compare what you are looking at to a regular polygon
What shape is a four pointed star where the four outside angles are the points and it has eight sides?
It is a concave octagon.
What does a concave polygon look like?
Easy answer: a star icon or the apple logo are examples of what a concave polygon looks like.A concave polygon has 1 interior angle greater than 180 degrees.you can see an example on:http://en.wikipedia.org/wiki/Convex_and_concave_polygonshttp://www.mathopenref.com/polygonconcave.html
Is a jeweller's mirror concave or convex?
concave
What is the mathematical name given to the plain shape traced by the boundary of a regular 5 pointed star?
concave decagon
What is the opposite of Convex?
The opposite of convex is concave. Concave shapes have an inward curve, while convex shapes have an outward curve.
What polygon is a regular star?
A 'concave decagon' is a ten-sided shape with every other corner pushed in towards the centre. It forms a regular five-pointed star.
What is a quadrilateral that is not a convex?
The Star Trek logo, if made into straight lines, would be a concave quadrilateral. Simply draw a triangle. Now, at any point along the sides, make a new point and move it inward and it will be a concave quadrilateral.
Is concave a parallelogram?
Concave is a property of [irregular] polygons. A parallelogram cannot be concave.
What type of mirror is used by dentist- plano concave or concave?
plano concave
