Deltoid or Delta
It is called an arrowhead or, less commonly, a delta.
It could be an arrowhead or a kite.
An arrowhead
An arrowhead is also called a delta. It is a concave quadrilateral with one axis of symmetry.
Deltoid or Delta
It is called an arrowhead or, less commonly, a delta.
It could be an arrowhead or a kite.
Yes, the arrowhead shape is symmetrical along it's longitudinal axis (long side).
3
An arrowhead
An arrowhead is also called a delta. It is a concave quadrilateral with one axis of symmetry.
It depends on they type of arrowhead you have. If it is a arrowhead in the shape of a directional arrow, there are no obtuse angles. The most possible obtuse angles is 1.
It can do but that is not a requirement.
A quadrilateral because it has 4 sides.
Yes.Yes.Yes.Yes.
Two or three.