Each of these 10 shapes comes with a question for learners to answer as they analyze its attributes. They examine the following shapes: hexagon, trapezoid, pentagon, circle, diamond, parallelogram, rectangle, triangle,...

How different can 3-D and 2-D really be? An engineering resource provides an explanation about the importance of two-dimensional technical drawings. Several samples show how to create multi-view drawings from pictorials and...

With photography as the focus, learners learn about line and design. Learners take pictures, and use the photos as a means to analyze artistic elements.

This tutorial provides illustrations for regular 2-D shapes as well as a definition for polygons and for regular polygons.

Analyze various shapes according to their reflective and rotational symmetries. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Analyze various shapes according to their reflective and rotational symmetries.

Test your logic, polygon properties, and pattern recognition skills working on this challenge. Solution included.

This website has basic definitions for most polygons, regular and irregular.