$20$ Points

$2.$ A circular curve has a radius of ${1050}^{\text{'}}($ft$.),$ a delta $($central angle$)$ of $26,$ and the P$.$I. station is $21+52\mathrm{.}85.$

What is the mid$-$ordinate of the curve to the nearest hundredth of a foot?

a$)15\mathrm{.}62ft$

b$)26\mathrm{.}91ft$

c$)32\mathrm{.}33ft$

d$)25\mathrm{.}22ft$

What is the tangent length to the nearest hundredth of a foot?

a$)512\mathrm{.}12ft$

b$)1023\mathrm{.}009ft$

c$)242\mathrm{.}41ft$

d$)460\mathrm{.}29ft$

What is the curve length to the nearest hundredth of a foot?

a$)476\mathrm{.}47ft$

b$)455\mathrm{.}26ft$

c$)502\mathrm{.}17ft$

d$)425\mathrm{.}98ft$

For a horizontal curve with a radius $1800ft.$ and a central angle $($delta$)$ of $12{45}^{\text{'}}{00}^{\text{'}\text{'}},$ the straightline distance from the beginning of curve $($BC$)$ to the end of curve $($EC$)$ is$?$

a$)399\mathrm{.}73ft$

b$)400\mathrm{.}55ft$

c$)201\mathrm{.}11ft$

d$)305\mathrm{.}21ft$