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3 cards from this section. Quick, good the night before a test.
What is the formula to calculate the tangent length?
Remember, R is the radius and Δ is the angle.
If R = 50 m and Δ = 60°, what is the tangent length?
Make sure to divide Δ by 2 before calculating.
What does the tangent length represent?
Consider the definition of tangent in geometry.
Is it true that the curve length can be found using the formula L = R * Δ * (π / 180)?
Think about the components of a circle.
Calculate the circular arc length needed to connect two points with R = 400 m and Δ = 80°.
Ensure your angle is in degrees when using this formula.
Two tangents create an intersection angle of 70° with a curve of radius 250 m. Find the tangent and curve lengths.
Break it down into steps — calculate tangent first, then curve length.
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