Computer · Surveying
What is the geometric principle behind the two-theodolite method used for setting out a simple circular curve?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The angle between the tangent at the point of curve and any chord is equal to the angle subtended by that chord in the opposite segment.✓
- 2The deflection angle to any point on the curve is equal to the post-tangent angle at that point.
- 3The angle between the tangent and a chord is equal to twice the angle subtended by the chord in the opposite segment.
- 4The deflection angle for any chord is equal to the sum of the deflection angles of all preceding chords.
Correct answer
The angle between the tangent at the point of curve and any chord is equal to the angle subtended by that chord in the opposite segment.
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