Rhombus

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A rhombus is a geometric figure that lies in a plane. It is defined as a quadrilateral all of whose sides are congruent. It is a special type of parallelogram, and its properties (aside from those properties of parallelograms) include:


Proofs

This article would be greatly enhanced by the proofs of the above facts.

Proof that a rhombus is a parallelogram

Proof that the diagonals of a rhombus divide it into 4 congruent triangles

Proof that the diagonals of a rhombus are perpendicular

Example Problems

Introductory

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