Final answer:
The sacred geometry of a Hindu temple reflects cosmic and metaphysical beliefs through geometric design and architecture, including the use of perfect shapes like squares, pointed arches, and symbolic elements like the amalaka and kalasha. The main tower or 'shikhara' represents enlightenment, and bas-reliefs tell mythological tales, integrating spiritual symbology with art.
Step-by-step explanation:
The sacred geometry of a Hindu temple is defined by specific spiritual and symbolic principles that are expressed through the temple's design and architecture. A Hindu temple typically follows a geometric plan, such as a square, which is considered a perfect shape. This reflects the cosmic and metaphysical beliefs central to Hinduism. In the built structure of a temple, this sacred geometry is manifested through features like the square-based plan which symbolizes the earth, as well as various other shapes and patterns that have special significances in Hindu cosmology. The architectural features such as pointed arches, the Mahabodhi Temple's amalaka and kalasha, and the grid fashion in which the buildings are laid out, represent the integration of artistic elements and spiritual symbology.
Hindu temples often feature a main tower or spire, known as a 'shikhara', which rises above the sanctuary and is intended to be the abode of the deity. The ascending form of the shikhara is meant to represent liberation and enlightenment, connecting the tangible earth to the spiritual heavens. Additionally, intricate bas-reliefs may adorn the temple walls, depicting various deities or mythological tales, further emphasizing the intertwining of art and spirituality in Hindu temple architecture.