What shape is 10 units?

The term "10 units" refers to a measurement rather than a specific shape. However, if you're asking about a shape with a perimeter of 10 units, it could be various shapes, such as a square with each side measuring 2.5 units or a circle with a circumference of approximately 3.18 units. The exact shape depends on how the 10 units are represented or divided among its dimensions.