Answer:
1. b=(d-c)/a
Step-by-step explanation:
make me a brainlist
0.0009208 you can round it to 0.0009 if you want.
For this case we have by definition, that the total surface area of a regular pyramid with a square base is given by:

Where:
p: It is the perimeter of the base
S: It's the inclination
It is the area of the base
Substituting:

ANswer:
Option B
I'm sorry try to reread what you learnt in class
I'm not up to this yet