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The radius of a simple circular curve is 300m and the length of its specified chord is 20 m, The degree of the curve is:


1. 5.73°
2. 5.37°
3. 3.82°
4. 3.28°

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Correct Answer - Option 3 : 3.82°

Concept:

Formulas:

Degree of the curve for 20 m Curve:

\(R = \frac{{1146}}{D}\)

Degree of the curve for 30 m Curve:

\({\rm{D}} = \frac{{1720}}{{\rm{R}}}{\rm{\;degree}}\),

Where,

D = Degree of the curve (degrees) and R = radius of the curve (m)

Calculation:

Given: Radius of the curve = 300 m

Degree of the curve,

\({\rm{D}} = \frac{{1146}}{{\rm{R}}} = \frac{{1146}}{{300}} = 3.82^\circ \)

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