Answer:
160 ft
Step-by-step explanation:
the length of one side would be √1600 which is 40 so 40• 4 is 160
First one
.20 is 20% of 100 and there is 5 boxes and 5 times 20 = 100
its 121.31
6
1+3=4 4-2=2 2+4=6