Answer:
Step-by-step explanation:
alright lets get started.
Total area of pyramid will be equals to the sum of area of base and the area of all six faces.
area of hexagonal will be = 
Plugging the value of a as 4, the area of base will be :

Now the area of one face will be= 
so, the area of one face will be = 
So, the area of six faces will be = 
So, the total area of pyramid will be = 
So, the total area of pyramid will be 113.57
Hence the answer is 113.57. : answer
Hope it will help :)