Classifying Quadrilaterals
Classify quadrilaterals A to T by coloring. (Click a quadrilateral at the right, then click those quadrilaterals A to T in the same class.)
Name each quadrilateral with the most specific name possible (Ex: A square is a parallelogram, rectangle and rhombus but the most specific name is a square.
Drag and rotate (the red point) the ruler to measure lengths and right angles.