USE "C" PROGRAMMING ONL MUST USE: USER DEFINED FUNCTION FOLLOW DIRECTIONS OR YOU WILL BE RATED POORLY FOR NOT COMPLETING THE PROBLENM Please do the following problems for A) the functions do not have to return the result to the main part of your script and B) the functions do NEED to return th result to the main part of your scrip 2. (USE ARRAY FOR THE Vertices and Lengths) Create a script that will take user input of 3 vertices to calculate the area of a triangle by using Heron' Formula. You will need the "pow" function in "math.h" header file mathwarehouse.com Heron's Formula S= A+B+C 2 Area =VS(S-A)(S-B) (S -C) Your output should have the format of -With the given vertices (Display Vertices) the area of the triangle is (The result.)