1. **Does the object resemble a right-angled triangle?**
   - **Answer:** Yes
   - **Reasoning:** From the images provided, the object has a shape that includes a 90-degree angle, characteristic of a right-angled triangle. The images show three sides meeting at three points, with one angle clearly being a right angle.

2. **Is the height of the triangle more than twice the base?**
   - **Answer:** Unclear
   - **Reasoning:** The images do not provide a scale or any measurements that allow for an accurate comparison of the height relative to the base. Without these measurements, it is not possible to definitively say whether the height is more than twice the base.

3. **Is the triangle hollow?**
   - **Answer:** No
   - **Reasoning:** The images show a solid object with no visible openings or hollow sections. The object appears to be a solid 3D model of a triangle, with no indications of it being hollow.

4. **Is the object extruded in one dimension?**
   - **Answer:** Yes
   - **Reasoning:** The object appears to be a 3D extrusion of a right-angled triangle shape. This is evident from the uniform thickness and consistent cross-section visible in all images, indicating that the shape has been extended linearly along one dimension.