Given examples of quadrilaterals and their component parts, the student will use explorations and concrete models to prove a quadrilateral is a parallelogram, rectangle, square, or rhombus using opposite sides, opposite angles, or...

[Free Registration/Login may be required to access all resource tools.] Classifying quadrilaterals by side lengths, angle measures and diagonals.

In this activity, students will explore the properties of the diagonals of various quadrilaterals. They will use a quadrilateral hierarchy chart to examine the relationship between the quadrilaterals.

A complete reference guide to quadrilaterals including squares, rectangles, parallelograms, trapezoids, and rhombus. It provides definitions and interactive activities that enhance further explanation.

This resource explores the diagonals of quadrilaterals. The interactive tool allows learners to examine intersecting line segments in a variety of ways. Topics discussed are perpendicular diagonals, congruent diagonals, and bisected...

This resource explores the bisectors of quadrilaterals. The interactive tool allows learners to draw quadrilaterals with perpendicular bisectors, congruent perpendicular bisectors, and congruent bisectors.

[Free Registration/Login Required] Students are given the two diagonals of a kite of rhombus and are to determine the area and perimeter. Click challenge me to answer practice questions and click learn more to watch a video.

In this activity, students will study special types of parallelograms like rhombus and rectangle, and investigate properties related to their diagonals.

MathWorld provides the definition of a rectangle and the area formula of a rectangle.

[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate the area and perimeter of a rhombus or kite. Students examine guided notes, review guided practice, watch instructional videos and...

Explains the basic concept of a square with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

In these problems, students are asked to find: point of intersection of two lines; coefficients that make two lines parallel; intersection of diagonals of a quadrilateral; and the point of intersection of three planes.

[Free Registration/Login may be required to access all resource tools.] Apply parallelogram theorems.