Mathematics · Geometry
A bridge engineer is designing a curved arch for a pedestrian bridge. As part of the structure, a horizontal steel beam (acting as a chord) is placed across the underside of the arch. The beam is 20 meters long, and it is installed 5 meters below the highest point of the arch (which lies at the center of the circular curve). Calculate the radius of the circular arch.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 112.32 m
- 214.56 m
- 311.18 m✓
- 415.73 m
Correct answer
11.18 m
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