Answer:
In plane Euclidean geometry, a rhombus (plural rhombi or rhombuses) is a quadrilateral whose four sides all have the same length. Another name is equilateral quadrilateral, since equilateral means that all of its sides are equal in length.
Dual polygon: rectangle
Area: (half the product of the diagonals)
Properties: convex, isotoxal
Step-by-step explanation:
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