Discover a world of knowledge and community-driven answers at IDNLearn.com today. Whether your question is simple or complex, our community is here to provide detailed and trustworthy answers quickly and effectively.
Answer:
A hemisphere (three-dimensional object) is generated by rotating the two-dimensional figure about the line y=2.
Step-by-step explanation:
The graph shows a figure of semicircle. When it is rotated by its top it will produce a hemisphere of diameter 4 units.