In order to find the road length, you have to find the distance between the starting and end point. In order to build the parabola, there has to be an equation first. The equation that would be used is ax2 + bx + c = 0. This equation is used to find what the parabola would look like.
In order to find how big the triangles are, you have to use a formula as well. Well, many formulas. Due to the fact that a triangle is a triangle, trig is involved. The pythagorean theorem, sine, cosine, and tangent is used. They are used to find the length of the triangle sides, and the angles of each triangle.
Caroline Foy
Sources
- https://prezi.com/mmh_xwbnzndv/application-of-mathematics-in-bridge-building/