Answer:
Step-by-step explanation:
30 feet * 12 inches / foot = 360 inches
360 inches can be covered by 360 / 5 = 72 planks
Each of the five sides requires 72 planks
72 * 5 = 360 planks
0.772
0.24+ 0.532 =
Line up the decimals
0.24
+ 0.532
------------
V=4 /3 times pie(3.14) times r^3
