A 4-sided flat

**shape**with straight sides where all interior angles are right angles (90°). Also opposite sides are parallel and of equal length. Example: A square is a special type of**rectangle**. Try moving any point below: See: Quadrilateral.Simply so, what is a rectangular face shape?

**Rectangle faces**are about one and a half times longer than they are wide. The cheeklines running from temple to jawline are straight. The jaw line has definition to it. They are very similar to the

**oblong shape**, but have an angular jaw line.

What is a rectangular number?

**Rectangular numbers**are special

**numbers**that can be shown by making the shape of a rectangle using an array, which is objects placed in an arranged order using rows and columns. However, 4 is the only even

**number**that cannot form a

**rectangular**shape because it forms a

**square**with an array of 2 rows by 2 columns.

What is rectangle and square?

So a

**square**is a special kind of**rectangle**, it is one where all the sides have the same length. Thus every**square**is a**rectangle**because it is a quadrilateral with all four angles right angles. However not every**rectangle**is a**square**, to be a**square**its sides must have the same length.