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Grade 3 - Mathematics
8.16 Solids Shapes (Pyramids)

A pyramid is any three-dimensional polyhedron where the faces other than the base are triangular and meet at one point, called the vertex or apex. The base of a pyramid can be any polygon: a square, or a triangle, leading to four or three non-base faces.
Kinds of pyramids:

  • Pyramids have different appearance depending on their base.
  • Each segment of the base is elongated to form a triangle.
  • If a pyramid is formed from an octagonal base, then 8 triangles are formed.
  • In other words a pyramid is a polyhedron with a single base and lateral faces that are all triangular. All lateral edges of a pyramid meet at a single point, or vertex.
Example:

The base is a heptagon (7 sides)
Answer: heptagonal pyramid

Directions: Answer the following questions. Also draw at least five examples of pyramids on your own.
Q 1: What is the name of the shape?

triangular pyramid
square pyramid
hexagonal pyramid

 Q 2: What is the name of this shape?

pentagonal pyramid
rectangular pyramid
triangular pyramid

Q 3: What is the name of this shape?

square pyramid
pentagonal pyramid
rectangular pyramid

 Q 4: What is the name of this shape?

pentagonal pyramid
octagonal pyramid
rectangular pyramid

Q 5: What is the name of this shape?

pentagonal pyramid
triangular pyramid
rectangular pyramid

 Q 6: What is the name of the shape?

triangular pyramid
heptagonal pyramid
octagonal pyramid

Question 7: This question is available to subscribers only!

 Question 8: This question is available to subscribers only!


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