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I’m a Triangle

Join Leslie Arnold in this engaging introduction to triangles! Discover the characteristics that define different types of triangles based on their sides - Scalene, Isosceles, and Equilateral - and learn about their angles, including Right, Acute, and Obtuse. Understand the fundamental property that all triangle angles sum to 180°, regardless of their size. Look around and see if you can find examples of triangles in everyday life. Perfect for 1st-period students eager to explore geometry in a fun and interactive way!

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I’m a Triangle

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Presentation Transcript

  1. I’m a Triangle What are you? Leslie Arnold 1st Period

  2. Look at Me • Three sides • Three angles

  3. Name Me By My Sides • Scalene – no sides the same • Isosceles – two sides the same • Equilateral – all sides the same

  4. Name Me By My Angles • Right – one angle measures exactly 90° • Acute – all angles measure less than 90° • Obtuse – one angle measures greater than 90°

  5. Special Fact • The sum of all of my angles equals 180°, no matter what size I am.

  6. Look Around You • Can you find a triangle in your life?

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