1. **Is the object triangular in shape?**
   - **Answer:** Yes
   - **Reasoning:** From all three images, the object consistently shows a triangular face, indicating that it is triangular in shape.

2. **Is the triangle equilateral?**
   - **Answer:** No
   - **Reasoning:** The angles and the lengths of the sides visible in the images suggest that the sides are not all equal, which means the triangle is not equilateral.

3. **Is there a semicircular cutout at the bottom corner of the triangle?**
   - **Answer:** No
   - **Reasoning:** None of the images show any semicircular cutout on any part of the object.

4. **Is the diameter of the semicircular cutout approximately 2/3rd of the length of each side of the triangle?**
   - **Answer:** No
   - **Reasoning:** Since there is no semicircular cutout present, this question is not applicable.

5. **Is the object extruded in one dimension?**
   - **Answer:** Yes
   - **Reasoning:** The images show that the object has a consistent cross-sectional shape (triangular) along one dimension, indicating that it is extruded in that dimension.