The Definition of a Two-Dimensional Geometric Figure : Math Definitions & More
Describing 2D Shapes
Two-dimensional Meaning
What is a dimension? In 3D...and 2D... and 1D
Two-Dimensional Figures and Polygons
2D vs. 3D Shapes! Mr. B's Brain - Ep. 2: 2D and 3D Shapes
Properties of 2D Shapes | Sides and Corners of 2D Shapes
Can life exist in 2D? The physics of a 2D Universe
Multidimensional Integration 2 | The n-dimensional Lebesgue Measure [dark version]
How Many Dimensions Can You See?
Two-Dimensional Art: What it means
Two Dimensional Motion Problems - Physics
How We Might Be Living In Other Dimensions Without Knowing - A Neil deGrasse Tyson Visualization
Could Two-Dimensional Life Exist?
A Beginner's Guide to the Fourth Dimension
11 Dimensions Explained - Higher Dimensions Explained - All Dimensions Explained - Dimensions
2D Shapes and Their Attributes - 1st Grade Math (1.GA.1)
Two Dimensional Motion (1 of 4) An Explanation
Kinematics Part 3: Projectile Motion
5th Grade - Math - Two Dimensional Figures - Topic Overview