Answer:
Area of the square pyramid = 
Step-by-step explanation:
The Surface area of the square pyramid :
Area of the four triangular faces+ Area of the square base

For triangle:

Side of the square base= 
Area of the figure is:

The area of the square pyramid is : 
4/9 > 33/100 > 1/7 > 2/25
Turn the decimals to fractions.
0.33 <span>· 100 = 33/100
0.08 = 2/25</span>
but am not pretty sure
the volume of cone is =1/3 pie r² h
I think this is the formula to calculate it