Study the 3D object below and answer the questions. Complete the table below. Write down one similarity and one difference between a square and a rectangle. Write the name of a 3D object with curved surface only.

Here are the answers to your questions:

Homework

• 4.1 Name of the object: The 3D object shown is a cube.
  • Answer: $\boxed{\text{Cube}}$
• 4.2 Number of faces: A cube has 6 faces.
  • Answer: $\boxed{6}$

Classwork

• Similarity between a square and a rectangle:
  • Both a square and a rectangle have four right angles.
  • Answer: $\boxed{\text{Both have four right angles.}}$
• Difference between a square and a rectangle:
  • A square has all four sides equal in length, whereas a rectangle only requires opposite sides to be equal in length.
  • Answer: $\boxed{\text{A square has all sides equal, a rectangle has only opposite sides equal.}}$

Question 5.2

• Name of a 3D object with a curved surface only:
  • A sphere is a 3D object that consists solely of a curved surface.
  • Answer: $\boxed{\text{Sphere}}$