Learn about angles and triangles. See examples of acute, obtuse, and right angles as well as equilateral, isosceles, and scalene triangles. Find out several rules of angles, triangles, and Pythagorean Theorem. Includes classroom activities, quizzes, and animated movies on triangles. There is a link to an eThemes Resource on shapes.
Watch three animated movies to learn about "Measuring Angles", "Types of Triangles", and "Similar Triangles". Choose these movies from the table and don't forget take quizzes and view fun activities. NOTE: The web site is available by subscription only.
This student-created site has descriptions of the isosceles and equilateral triangles followed by an interactive quiz. Click on the "Special Triangles" link at the left to learn two theorems of right isosceles triangles. NOTE: The site has a link to a message board.
These sites are about shapes including quadrilaterals and polygons. Includes definitions and examples of them in everyday life. There are interactive sites with games, manipulatives, and animated movies.