Q » How does a pendentive support a dome over a square room?

Bram vd Veer

08 Dec, 2025

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A » A pendentive is a curved triangular architectural element that transitions the space between a square room and a circular dome. It supports the dome by distributing its weight down to the building's four corners. Each pendentive is formed by the intersection of a dome with its supporting arches, creating a stable base that evenly channels gravitational forces, thus allowing the dome to rest securely over the square room below.

Michael

08 Dec, 2025

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All Other Answer

A »A pendentive is a triangular section of vaulting that supports a dome over a square room by transferring the weight to the corners, allowing the dome to sit on top. It curves inward, forming a continuous surface between the dome and the room's walls, thus providing a smooth transition and distributing the load.

David

08 Dec, 2025

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