alleryWhich name is given to a concave quadrilateral that is symmetric like a kite?
AOblong
BRhombus
CSquare
DDart
Answer & Solution
Correct answer: D. Dart
1. A dart (or arrowhead) is concave and has bilateral symmetry like a kite.
2. One of its interior angles is reflex.
3. Rhombi, squares and oblongs are all convex, so they fail.
_Source: Wikipedia, Quadrilateral, section Concave quadrilaterals_
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