Understanding Radial Balance Arrangement

The question describes a specific type of visual arrangement in design or art. We need to identify the term that best fits this description.

Key Elements of the Arrangement:

• Identical elements: The components used are the same.
• Corresponding properties: Elements match in shape, size, and position relative to the center.
• Arrangement: Positioned 'about a common axis'. This implies radiating outwards from or revolving around a central point or line.

Analyzing the Options:

• Asymmetrical balance and Informal balance involve uneven distribution of elements that still achieve equilibrium. This doesn't match the description of identical, corresponding elements arranged systematically.
• Symmetrical balance relies on mirroring elements across a central axis (a line). While it involves correspondence, the primary description here points towards elements arranged *around* an axis, not necessarily mirrored.
• Radial balance occurs when elements are arranged around a central point, like spokes on a wheel or petals on a flower. All elements radiate from this center, often maintaining similar shapes, sizes, and spacing relative to the center. This perfectly matches the description of identical elements corresponding in shape, size, and relative position about a common axis.

Therefore, the described arrangement results in Radial balance.