Respuesta :
Answer:
- Triangular prism
- Triangular based pyramid
- Square based pyramid
Step-by-step explanation:
We are given that Matt uses a 3-D figure and used it to get a 2-D imprint of triangle on a paper.
We need to find what kind of block Matt was using.
Any 3-D figure which have triangle as one of its face can be used by Matt.
- Triangular prism
- Triangular based pyramid
- Square based pyramid
All the above mentioned 3-D figure have a triangle as one of the face.
Hence, Matt could have used any of the above mentioned solid figure.