4.1 - Two tangents intersect
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Practice Questions
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What is a tangent in geometry?
💡 Hint: Think about how it interacts with the curve.
Define deflection angle.
💡 Hint: Consider how two meeting straight lines form an angle.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating the length of a curve?
💡 Hint: It incorporates π and degrees.
True or False: The deflection angle increases as the radius of the curve decreases.
💡 Hint: Visualize the curve's tightness.
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Challenge Problems
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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.
💡 Hint: 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.
💡 Hint: Think about how chainage is adjusted with tangent length.
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