This is an inquiry instructional activity used to review Algebra 1 objectives by applying them to geometry concepts. Students explore the properties of quadrilaterals and classify them by definition. This instructional activity can be...

Learn about secants with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.

Great resource to practice and strengthen math skills pertaining to Geometry. Math worksheets are printable, may be customized, and include answer keys.

Students use hand geometry to prove their own identification.

This site from the free encyclopedia, Wikipedia, provides a basic definition for plane of symmetry. Links are given for additional information on related subjects.

Contains a definition of the word, vanishing point.

Scroll down to find a definition of horizontal with hyperlinks to other definitions on the site.

A fascinating interactive site showing how to use lines in on-point perspective drawings.

This site provides a comprehensive index and general directory to math sites that will help students in the study of circles.

This page has links to general solid geometry topics, including depth, height, width, and length. A good introductory site into geometry.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

This site describes altitudes and orthocenters in triangles and their connections with the nine-point circle.

geometry