1. **Is the object in the shape of an isosceles triangle?**
   - **Answer:** No
   - **Reasoning:** From the images provided, the object appears to be a three-dimensional prism with a triangular cross-section. However, the triangle does not have two sides of equal length, which is a requirement for an isosceles triangle. The angles and side lengths visible in the images suggest that the triangle is scalene, with all sides and angles being different.

2. **Is the object long in length?**
   - **Answer:** Yes
   - **Reasoning:** The object appears significantly longer in one dimension compared to its width and depth, as seen in all three images. This elongated shape qualifies it to be described as long in length.

3. **Is the object extruded in one dimension?**
   - **Answer:** Yes
   - **Reasoning:** The object shows a consistent cross-sectional shape along its length in all images, which is characteristic of an extrusion process. The uniformity of the cross-section along the length without any variation supports the conclusion that it is extruded in one dimension.