1. **Is the object shaped like an irregular rhombus?**
   - **Answer:** No
   - **Reasoning:** The object consists of a square base with a triangular structure attached to it. The overall shape does not resemble an irregular rhombus, which would typically have four sides of unequal lengths.

2. **Is there a square at the base of the object?**
   - **Answer:** Yes
   - **Reasoning:** From the images provided, it is clear that the base of the object is a square. All sides of the base appear to be of equal length and the angles between them are right angles.

3. **Is there a right-angle triangle connected to the top of the square?**
   - **Answer:** Yes
   - **Reasoning:** The images show a triangular structure that rises from the square base. The triangle appears to have a right angle, as indicated by the orthogonal lines connecting it to the square base.

4. **Are the right-angle edges of the triangle the same size as the length of the square?**
   - **Answer:** Unclear
   - **Reasoning:** It is difficult to determine from the images whether the right-angle edges of the triangle are exactly the same length as the sides of the square. The perspective and angle of the images do not allow for precise measurement.

5. **Is the entire sketch extruded by a small amount?**
   - **Answer:** Yes
   - **Reasoning:** The images show that the object has a three-dimensional form, indicating that the sketch (or design) has been extruded to create a 3D object. The depth and shadows in the images suggest this extrusion.