Geo

function geoCalc (geo){
  var area = 0;
  var count = 0;
  var today = new Date();
  for (let i = 0; i<geo.length; i++){
    diff = Math.ceil((today-geo[i].createdAt) / (1000 * 60 * 60 * 24));
    if (diff <= 30 && diff >=0){
      if (geo[i].type=='triangulo'){
        area += ((geo[i].dimensions.height*geo[i].dimensions.base)/2);
        count ++;
        continue;
      }
      if (geo[i].type=='quadrado' || geo[i].type=='retangulo'){
        area += (geo[i].dimensions.height*geo[i].dimensions.base);
        count ++;
        continue;
      }
      if (geo[i].type=='circulo'){
        area += (geo[i].dimensions.height*geo[i].dimensions.height*Math.PI);
        count ++;
        continue;
      }
      console.log ('Tipo Invalido');
    }
    }
  return (area/count);
}



console.log(geoCalc([{type:'triangulo',
          dimensions:{height:12,
                    base: 10,},
          createdAt: new Date("2020-03-01")
          },
          {type:'circulo',
          dimensions:{height:3,
                    base: 10,},
          createdAt: new Date("2020-03-01")
          },
          {type:'quadrado',
          dimensions:{height:3,
                    base: 10,},
          createdAt: new Date("2020-03-01")
          }
          ,
          {type:'jebedias',
          dimensions:{height:3,
                    base: 10,},
          createdAt: new Date("2020-03-01")
          }]));