An arrowhead
A chevron or arrowhead.
Acute angles at the tip and two where the edge turns back, a reflex angle where it meets the shaft.
Possibly in the form of an arrowhead providing that its 4 interior angles add up to 360 degrees
Yes. The two angles on either side of the reflex angle are normally equal.
Reflex angle
Yes.
An arrowhead
A chevron or arrowhead.
Yes - a chevron or arrowhead.
The difference is surely that an arrowhead has one reflex internal angle where a kite does not.
lens pencil lawn chairs hands on a clock arrowhead...
A bit like a chevron or an arrowhead.
Acute angles at the tip and two where the edge turns back, a reflex angle where it meets the shaft.
Possibly in the form of an arrowhead providing that its 4 interior angles add up to 360 degrees
Yes. The two angles on either side of the reflex angle are normally equal.
The exterior angle formed by the letter "V". Notice how this shape is commonly used; for example the wings on a stealth bomber or an arrowhead have this shape.