Final answer:
Rhythm in a room's design can be achieved by repeating a color, line, shape, or design. Mixing different styles of furniture can also contribute to the rhythm in a room.
Step-by-step explanation:
Rhythm in a room's design can be achieved by repeating a color, line, shape, or design. This repetition creates a pattern, which in turn creates a sense of rhythm and movement. Mixing different styles of furniture can also contribute to the rhythm in a room by creating interesting contrasts and variations.