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2 cards from this section. Quick, good the night before a test.
What is a tangent in geometry?
Think about how it interacts with the curve.
Define deflection angle.
Consider how two meeting straight lines form an angle.
What is the formula for calculating the length of a curve?
It incorporates π and degrees.
True or False: The deflection angle increases as the radius of the curve decreases.
Visualize the curve's tightness.
Design a circular curve connecting two tangents, where the deflection angle is 60° and radius is 200 m. Calculate the tangent distance and length of the curve.
Remember to split the angle used in the tangent formula.
Calculate the chainage of a point of tangency if the point of intersection is at 300 m and the tangent length is 40 m.
Think about how chainage is adjusted with tangent length.
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