title: Program To Find The Area Of Pentagon
signature: function programToFindTheAreaOfPentagon(a: number): number {
test_code: 
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function convertToString(value: any): string{
      return JSON.stringify(value, function (key, val) {
          if (val instanceof Set) {
              return Array.from(val);
          } return val;});
  }
  
  function validateSolution(actual: number, expected: number): boolean {
      return Math.abs(actual - expected) < 1e-09;
  }
  
  function driver(a: number, expected:number): string {
      try{
          if (validateSolution(PLACEHOLDER_FN_NAME(a),expected)){
              return "PASSED";
          }
          return "FAILED";
      } catch (error) {
        return error.name;
      }
      
  }
      
  function main(){
    let result = '';
    result = driver(2009.019461888707, 6944120.6857642615);
    console.log(`TEST-0...${result}`);
  
    result = driver(-1480.5131394215787, 3771147.371815937);
    console.log(`TEST-1...${result}`);
  
    result = driver(357.7870347569567, 220240.9998483103);
    console.log(`TEST-2...${result}`);
  
    result = driver(-8040.293697508038, 111222537.30911414);
    console.log(`TEST-3...${result}`);
  
    result = driver(3821.882657293133, 25130647.008061722);
    console.log(`TEST-4...${result}`);
  
    result = driver(-6840.635072240347, 80508515.3102342);
    console.log(`TEST-5...${result}`);
  
    result = driver(1623.036598830132, 4532163.809416133);
    console.log(`TEST-6...${result}`);
  
    result = driver(-9714.00706195298, 162347573.54592204);
    console.log(`TEST-7...${result}`);
  
    result = driver(3916.454769669618, 26389745.561382204);
    console.log(`TEST-8...${result}`);
  
    result = driver(-669.068424712943, 770176.1075446572);
    console.log(`TEST-9...${result}`);
  
  };
  
  main();
source_py: def program_to_find_the_area_of_pentagon(a):
      area = (((sqrt((5 * (5 + (2 * sqrt(5))))) * a) * a) / 4)
      return area
source_cpp: float program_to_find_the_area_of_pentagon(float a) {
    float area;
    area = ( sqrt ( 5 * ( 5 + 2 * ( sqrt ( 5 ) ) ) ) * a * a ) / 4;
    return area;
  }