Answer:
39 ft
Step-by-step explanation:
40 feet would have been if the perimeter was 160ft. so since it has to be less than 160 the maximum (whole number) length of a side would be 39.
Answer:
not sure for the 1st one but pretty sure 2nd one is B
Step-by-step explanation:
Answer:

Step-by-step explanation:
The formula of a volume of a square pyramid:

a - base edge
h - height of a pyramid
We have H = 8in.
Substitute and solve for a:

C=2•pi• R
D=6 then the radius is 3
2•Pi•3 =18.85
the answer would be 4 9/14
4 9/14