three types of triangles based on their side lengths, an equilateral triangle, an isosceles triangle, a scalene triangle, triangle classification, geometry for kids, equilateral isosceles scalene

three types of triangles based on their side lengths, an equilateral triangle, an isosceles triangle, a scalene triangle, triangle classification, geometry for kids, equilateral isosceles scalene
  • 素材ID：1405005238
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  • 格式：MOV
  • 时长：00:30
  • 作者：Watthana Tirahimonch
  • 最大分辨率：3840 x 2160px
关键词
教学数学几何图形说明图形学习概念性概念三角形学校标志设计角片教育符号形状

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