SOLUTION: the pile length 70 ft,and dia 20 inch ,how much concrete volume? how did the sum?

Algebra ->  Volume -> SOLUTION: the pile length 70 ft,and dia 20 inch ,how much concrete volume? how did the sum?       Log On


   

Question 995472: the pile length 70 ft,and dia 20 inch ,how much concrete volume? how did the sum?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
the pile length 70 ft,and dia 20 inch ,how much concrete volume?
r = 20 inches
h = 840 inches
Vol+=+pi%2Ar%5E2%2Ah
Vol+=+pi%2A10%5E2%2A840+=+84000pi cubic inches.
263894 cu inch
= 152.72 cu ft
= 5.656 cu yards
--------------
how did the sum?
What sum?