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Whiteboard
ClassFlow

Class Flow: Angle Facts

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This lesson is a thorough review of all types of angles (e.g. obtuse, right, scalene, isosceles, equilateral, alternate) with wonderful diagrams to reinforce thinking skills.
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Website
Ducksters

Ducksters: Kids Math: Triangles

For Students 1st - 9th Standards
Learn about equilateral, right angle, and isosceles triangles on this site. Learn how they work, terms, tricks and examples. .