https://file.aiquickdraw.com/mathbot/file/1726063802527llr50gxp.jpg

The shape in the image is a triangular pyramid, also known as a **triangular-based pyramid** or **tetrahedron**. This type of pyramid has the following characteristics:

- It has **4 faces**:
  - 1 triangular base.
  - 3 triangular side faces.

Thus, the number of faces is **4**.

Would you like further details or have any questions?

Here are five related questions to think about:
1. How many edges does this triangular pyramid have?
2. How many vertices does a triangular pyramid have?
3. What is the formula for calculating the surface area of a pyramid?
4. How does the number of faces differ between a triangular and square pyramid?
5. How is the volume of a triangular pyramid calculated?

**Tip:** For any polyhedron, Euler's formula relates the number of faces, vertices, and edges: \( F + V - E = 2 \).

Learn how to determine the number of faces of a triangular pyramid, also known as a tetrahedron. This geometry problem covers the face count for 3D shapes and relates it to Euler's formula for polyhedra. Suitable for students in Grades 5-7.

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