Question

Matt has a block. He uses one of the flat surfaces of the block to trace a triangle. What type of solid figure is Matt's block?

Answer 1

Triangular prism OR  Pyramid

Answer 2

1. Triangular prism
2. Triangular based pyramid
3. Square based pyramid

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.

1. Triangular prism
2. Triangular based pyramid
3. 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.