Mathematics · Surveying
In a chain survey work, in order to determine the length across a river of a continuing chain line, the following observations were made. The points C, A, and B are collinear. Also, the points B, D, and E are collinear. CA = AD = 40 m. The angle CAD is 90°. Distance CE = 75 m, and angle ACE is 90°. Determine the length AB.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 135 m
- 237.5 m
- 340 m
- 445.7 m✓
Correct answer
45.7 m
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