What type of design is characterized by a balance of both round and triangular shapes?

The type of design characterized by a balance of both round and triangular shapes is known as symmetrical design. Symmetrical designs are characterized by a mirror image on either side of a central axis, creating harmony and equilibrium in the arrangement. This balance can manifest through the use of various forms and shapes, such as the combination of round and triangular elements, which contribute to a cohesive look that is visually pleasing.

In floral design, using both round shapes (often created by circular blooms or soft foliage) and triangular shapes (which can be suggested through the positioning and line of stems or leaves) helps establish a sense of proportion and stability. This approach is fundamental in classical floral arrangements, where symmetry is often used to evoke a feeling of order and elegance.

Understanding the principles of design, such as balance and proportion, is crucial for floral designers to create arrangements that are not only aesthetically pleasing but also well-structured and functional. In contrast, the other types of designs mentioned do not emphasize this specific balance of round and triangular elements in the same manner as symmetrical design.