Computer · Surveying
What is the principle behind the two-theodolite method used to establish 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 the chord to a point is equal to the angle that the chord subtends on the opposite segment.✓
- 2The angle of deflection at any point on a curve is the angle between the post tangent at the point of the curve and the chord from the point of the curve to that point.
- 3The angle between the tangent at the point of curve and the chord at one point is equal to twice the angle that the chord subtends on the opposite segment.
- 4The angle of deflection for any chord is equal to the sum of the angle of deflection of the preceding chord and the angle tangent to that chord.
Correct answer
The angle between the tangent at the point of curve and the chord to a point is equal to the angle that the chord subtends on the opposite segment.
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