A parabolic tunnel has a width of 20 feet and a height of 12 feet at the center. Find the cross-sectional area of the parabolic tunnel.

A. Illustrate the parabolic tunnel. Show the measurements.

B. What function represents the parabolic tunnel? Show your solution.

C. Compute for the cross-sectional area of the parabolic tunnel. Use the Definite Integral. Show your solution.

No troll.