4. In Figure 10A-2, two pairs of blocks are placed on the table. The two blue blocks are placed side-by-side so their top surfaces form a continuous horizontal surface. On the same tabletop, two red...

4.10a2

Extracted text: 4. In Figure 10A-2, two pairs of blocks are placed on the table. The two blue blocks are placed side-by-side so their top surfaces form a continuous horizontal surface. On the same tabletop, two red blocks are placed on their square bases side-by-side. Describe the surface produced between the red and blue blocks. The surface slopes to the right. а. b. The surface is horizontal. с. The surface slopes to the left.