Answer:
Surface area of a pyramid formula is- SA=2bs+b^2
So make the equation 2(.8)(6)+.8^2
now solve 2(.8)=1.6 now multiply 1.6 by 6 which equals 9.6.
The last step is to add 9.6+.8^2 which should get you 10.24
So the answer is D: 10.24
Step-by-step explanation:
