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What are 3-D shapes?

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Answer explanation

A 3D shape has three dimensions. Therefore, unlike a 2D shape, it's not flat. 3D shapes are measured by length, width and depth.

What is the difference between a prims and a pyramid?

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Answer explanation

Prisms have two bases that are the same shape and size. All the other faces are rectangular. Pyramids have only one base and all the other faces are triangular.

The above 3-D shape is called____

What is the other name of a triangular pyramid?

• Tetrahedron

• Hexagonal

• Octagonal

A cube has

• 7 vertices, 10 edges, 4 faces

• 8 vertices, 12 edges, and 6 faces

• 8 vertices, 12 edges, 4 faces

What is the difference between these two shapes?

• They have different shapes on their base.

• They are the same.

• They have different characteristics, in terms of the edges, faces, and the vertices

Look at the shape and identity how many faces, vertices and edges does it have.

• 12 edges, 7 faces and 6 vertices

• 11 edges, 7 faces and 6 vertices

• 12 edges, 7 faces and 7 vertices

From the drawings above, which one is the Net of a tetrahedron?

• C

• B

• A

• D

Find an area of the following figure

• 34cm2

• 28cm2

• 40cm2

Find the perimeter of this figure

• 10mm

• 6mm

• 20mm

• 24mm