The radius of a simple curve is twice its tangent distance, if the degree of curve is 4°. a) What is the angle of intersection of the curve? b) Compute the length of curve. c) Determine the area enclosed by the curve. Provide a complete solution and the necessary illustrations.

For a highway curve with R = 800 m, I = 20°00', and Pl station = 3+290.600 m, calculate the requested values to lay out the circular curve at full stations (30 m). Part A Calculate the degree of curvature. Express your answer in degrees to five decimal places. Da = Submit Part B L = Part C Calculate the circular curve length. Express your answer to three decimal places and include appropriate units. Request Answer Submit Request Answer T = ΑΣΦ Value Submit Value ↓↑ vec Request Answer Units Calculate the tangent distance. Express your answer to three decimal places and include appropriate units. P Units ? ? ?

The linear distance from the PC station to the PI station is equal to the linear distance from the Pl station to the PT station and is the: middle ordinate (M) distance tangent (T) distance radius (R) distance external (E) distance

For a highway curve with Da = 5°00', I = 20°30', and Pl station = 63 +25.53 ft, calculate the requested values to lay out the circular curve at full stations (100 ft). Part D Calculate the middle ordinate. Express your answer to two decimal places and include appropriate units. M = Part E LO E= μà Value Calculate the external distance. Express your answer to two decimal places and include appropriate units. μA Units Value ? Units ?