Google Map. Mission San JosÃ© established the settlement that became the modern city of Fremont. It was the first of a group of five approved as part of a major expansion of the Alta California mission system. Share on Facebook Share
A rhombus looks like a skewed square but with no right angles. It has 4 equal sides. It is mainly a parallelogram with all sides the same length. A rhombus is defined as a quadrilateral that has four sides that are the same length. A rhombus is also referred to as an equilateral quadrilateral.
1. A rhombus is a parallelogram with four congruent sides. While the definition states parallelogram, it is sufficient to say:  A quadrilateral is a rhombus if and only if it has four congruent sides., since any quadrilateral with four congruent sides is a parallelogram.