Exploring 3D Shapes: Edges, Faces, and Corners

The video tutorial introduces 3D shapes, explaining their dimensions, corners, edges, and faces. It covers specific shapes like cuboids, cubes, cones, pyramids, spheres, and cylinders, detailing their properties such as the number of corners, edges, and faces. The tutorial concludes with a recap of the shapes discussed.

What does 3D stand for in terms of dimensions?

• Three Dynamics

• Three Directions

• Three Dimensions

• Three Distances

What is another name for the corners of a 3D shape?

• Vertices

• Edges

• Faces

• Lines

How many corners does a cuboid have?

• 12

• 10

• 8

• 6

How many edges are there in a cuboid?

• 12

• 8

• 10

• 14

What are the faces of a 3D shape?

• The lines where edges meet

• The pointed tops

• The vertices

• The flat or curved surfaces

How many faces does a cube have?

• 8

• 6

• 5

• 4

How many faces does a cone have?

• 2

• 3

• 4

• 1

How many edges does a triangular prism have?

• 8

• 6

• 9

• 12

Which shape has zero corners and edges but one face?

• Sphere

• Cube

• Cylinder

• Cone

Which of the following is not a 3D shape?

• Cylinder

• Sphere

• Pyramid

• Rectangle