Mar 8, 2021 · There are many different relationships between the types of quadrilaterals. Parallelograms have two sets of parallel sides, rhombuses are parallelograms with equal side lengths, and squares …

Review the following quadrilaterals: parallelogram, trapezoid, rhombus, rectangle, and square. Then, try some practice problems.

The following shapes are quadrilaterals because they are polygons with four sides. Remember: polygons must be closed figures.

Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and recognize examples of quadrilaterals that do not belong to any of these subcategories.

Watch Sal classify a quadrilateral as a square, rhombus, rectangle, parallelogram, or trapezoid given its four vertices. Created by Sal Khan.

With four sides and four angles, quadrilaterals might seem pretty straight-forward. But there's a lot more to these shapes than you might think! In this unit, you'll learn all about these four-sided shapes and …

Now, quadrilaterals, as you can imagine, can be subdivided into other groups based on the properties of the quadrilaterals. And the main subdivision of quadrilaterals is between concave and convex …

Our mission is to provide a free, world-class education to anyone, anywhere.

Classify shapes and solve problems using what we know of the properties of shapes.

Identify quadrilaterals based on pictures or attributes. Quadrilaterals included are parallelograms, rhombuses, rectangles, and squares.