# Special Parallelograms: Rectangles, Rhombuses, and Squares

### Popular Tutorials in Special Parallelograms: Rectangles, Rhombuses, and Squares

#### How Do You Use the Diagonals of a Rectangle to Find the Value of a Variable?

When you make diagonals inside a rectangle, those diagonals are congruent. With this information, you can find the value of a variable that's part of a measurement of a diagonal. This tutorial shows you the steps.

#### How Do You Find the Value for a Variable in the Angles of a Quadrilateral To Make it a Rhombus?

A parallelogram needs to have certain qualities in order to be a rhombus. In this tutorial, you'll use your knowledge of these shapes in order to find the value for a variable that will make a given parallelogram a rhombus.

#### How Do You Construct a Square?

Did you know you don't need a ruler to construct a square? All you need is a compass and a straightedge! Watch this tutorial to see how it's done!

#### How Do You Classify Quadrilaterals?

Got a figure with four sides? Then you have a quadrilateral! But there are many special types of quadrilateral. Follow along as this tutorial shows you how to figure out the possible names for a given quadrilateral!

#### What is a Rectangle?

A rectangle is one of the many fundamental shapes you'll see in math. Rectangles have special properties that can be very useful in helping you solve a problem. This tutorial introduces you to rectangles and explains their interesting qualities!

#### What is a Square?

A square is one of the many fundamental shapes youâ€™ll see in math. Squares have special properties that can be very useful in helping you solve a problem. This tutorial introduces you to squares and explains their interesting qualities!

#### What is a Rhombus?

A rhombus is a special kind of quadrilateral. Knowing about the special properties of a rhombus is important to identifying and using these special polygons. This tutorial introduces you to the rhombus and explains its unique qualities. Take a look!