No. There can be no regular concave polygon.
concave
A chevron or arrowhead.
A concave quadrilateral. An arrowhead or a delta, for example.
Dragon is the answer
No.
No. There can be no regular concave polygon.
A concave quadrilateral would be a non-convex quadrilateral. * * * * * Also known as delta or arrowhead or chevron.
concave
A regular polygon has all its angles of equal measure, and its sides of equal length. In the case of a quadrilateral, that would mean a square. A concave quadrilateral must have at least one reflex angle and so cannot be a square. So it cannot be regular.
A concave quadrilateral - like an arrowhead or chevron.
yes it will...
A chevron or arrowhead.
A concave quadrilateral. An arrowhead or a delta, for example.
No. A trapezoid has two parallel sides. This is not possible in a concave quadrilateral.
It would be a concave quadrilateral The link below has some pics.
Dragon is the answer