Horizontal Curves #$2$

Find: $M$ middle ordinate, also called the

Given:

$R=120[m]$

$T=40[m]$

the radius

of the curve

$+$the tangent

distance

Points A and $B$ represent the

beginning and end of the curve.

A$)2[m]$

B$)4[m]$

C$)6[m]$

D$)8[m]$