# What is a rhombus with right angles?

##### 1 Answer

Dec 28, 2015

A rhombus with right angles is a *square*.

#### Explanation:

It follows from a definition of a *square* as a regular 4-sided polygon.

Congruence of all sides is the property of a rhombus. This is the first necessary property of a square.

The second property is the congruence of all interior angles. Since one of the rhombus' interior angle is