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Identifying Acute and Obtuse Angles

Identifying Acute and Obtuse Angles

Beginner English

Last updated Wed, 26-Nov-2025
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๐Ÿš€ Your Mission Briefing

In this lesson, youโ€™ll discover how angles can be small and sharp or wide and stretched out. Youโ€™ll learn that acute angles are less than 90ยฐ and look very narrow, while obtuse angles are greater than 90ยฐ and look much wider. By looking closely at how open the angle is, youโ€™ll be able to decide whether it is acute or obtuse in diagrams, shapes, and everyday objects.

๐ŸŽ’ What Youโ€™ll Need
  • โœ๏ธ Pencil and Paper to take notes if you like!
  • ๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง A Parent or Guardian to help if needed (optional)
  • ๐Ÿ† Take the quiz to earn your reward points!
๐Ÿ“š Lessons in This Mission
2 lessons
๐Ÿ“ Identifying Acute and Obtuse Angles
1 lessons
  • ๐ŸŽฏ Identifying Acute and Obtuse Angles
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๐Ÿ“ Quiz
1 lessons
  • ๐ŸŽฏ Quiz
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