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Interactive
Mangahigh

Mangahigh: Shape: Types of Angle

For Students 5th - 8th Standards
Identify the type of angle without measurement.
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Handout
Math Open Reference

Math Open Reference: Obtuse Angle

For Students 9th - 10th Standards
Learn about obtuse angles with this useful reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.