Final answer:
Geometry is essential in professions such as astronomy and engineering, where geometric principles are applied to study celestial bodies and design structures.
Explanation:
Geometry is a fundamental branch of mathematics that is directly applicable in various professions. Among the professionals who most directly use geometry in their work are astronomers, who utilize geometric principles to study celestial bodies and their movements. Additionally, engineers rely on geometric concepts to design structures and systems based on mathematical relationships and spatial reasoning.
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