1. **Does the object resemble a trapezoid plate?**
   - **Answer:** Yes
   - **Reasoning:** From the images provided, the object has a flat top surface and a geometric shape that resembles a trapezoid when viewed from above. The sides are not parallel, which is characteristic of a trapezoid.

2. **Is the base of the object an isosceles trapezium?**
   - **Answer:** Yes
   - **Reasoning:** The base of the object, as seen in the images, shows two non-parallel sides that are equal in length, which is a defining feature of an isosceles trapezium. The other two sides, which are parallel, complete the trapezium shape.

3. **Is the base angle of the trapezium around 70 degrees?**
   - **Answer:** Unclear
   - **Reasoning:** Without specific measurements or tools to accurately measure the angles in the images, it is not possible to confirm if the base angles are around 70 degrees. The images alone do not provide enough information to determine the exact angle.

4. **Is the object extruded by a small amount?**
   - **Answer:** Yes
   - **Reasoning:** The object appears to have a certain thickness, indicating that it is not merely a flat shape but has been extruded to have depth. This is evident from the shadows and the visible thickness in different orientations of the images.