In Part A, what is the yellow shape called?
If you turn the yellow shape and make it larger, so it looks like the blue shape, what is it called? Explain your answer.
A triangle. The size and position do not matter. The shape is still a triangle.
In Part B, how are these shapes alike?
They have straight sides and they are flat.
In Part B, how are the shapes different?
Possible response: A triangle has 3 sides and a rectangle has 4 sides.
What is the difference between a 2-dimensional shape and a 3-dimensional shape?
Possible response: A 2D shape is flat and a 3D shape is solid.
Look at Part C. What is the difference between these 2 shapes?
One is 2D and the other is 3D.
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